21208255680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{2153}}^1$

素因数の和:2535

約数の個数: 224

約数和(自身を含む): 69750724608

約数和(自身を除く): 48542468928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 331, 372, 465, 480, 496, 620, 662, 744, 930, 960, 992, 993, 1240, 1324, 1488, 1655, 1860, 1984, 1986, 2153, 2480, 2648, 2976, 3310, 3720, 3972, 4306, 4960, 4965, 5296, 5952, 6459, 6620, 7440, 7944, 8612, 9920, 9930, 10261, 10592, 10765, 12918, 13240, 14880, 15888, 17224, 19860, 20522, 21184, 21530, 25836, 26480, 29760, 30783, 31776, 32295, 34448, 39720, 41044, 43060, 51305, 51672, 52960, 61566, 63552, 64590, 66743, 68896, 79440, 82088, 86120, 102610, 103344, 105920, 123132, 129180, 133486, 137792, 153915, 158880, 164176, 172240, 200229, 205220, 206688, 246264, 258360, 266972, 307830, 317760, 328352, 333715, 344480, 400458, 410440, 413376, 492528, 516720, 533944, 615660, 656704, 667430, 688960, 712643, 800916, 820880, 985056, 1001145, 1033440, 1067888, 1231320, 1334860, 1425286, 1601832, 1641760, 1970112, 2002290, 2066880, 2135776, 2137929, 2462640, 2669720, 2850572, 3203664, 3283520, 3563215, 4004580, 4271552, 4275858, 4925280, 5339440, 5701144, 6407328, 7126430, 8009160, 8551716, 9850560, 10678880, 10689645, 11402288, 12814656, 14252860, 16018320, 17103432, 21357760, 21379290, 22091933, 22804576, 28505720, 32036640, 34206864, 42758580, 44183866, 45609152, 57011440, 64073280, 66275799, 68413728, 85517160, 88367732, 110459665, 114022880, 132551598, 136827456, 171034320, 176735464, 220919330, 228045760, 265103196, 331378995, 342068640, 353470928, 441838660, 530206392, 662757990, 684137280, 706941856, 883677320, 1060412784, 1325515980, 1413883712, 1767354640, 2120825568, 2651031960, 3534709280, 4241651136, 5302063920, 7069418560, 10604127840, 21208255680]

約数ペア:

[(1, 21208255680), (2, 10604127840), (3, 7069418560), (4, 5302063920), (5, 4241651136), (6, 3534709280), (8, 2651031960), (10, 2120825568), (12, 1767354640), (15, 1413883712), (16, 1325515980), (20, 1060412784), (24, 883677320), (30, 706941856), (31, 684137280), (32, 662757990), (40, 530206392), (48, 441838660), (60, 353470928), (62, 342068640), (64, 331378995), (80, 265103196), (93, 228045760), (96, 220919330), (120, 176735464), (124, 171034320), (155, 136827456), (160, 132551598), (186, 114022880), (192, 110459665), (240, 88367732), (248, 85517160), (310, 68413728), (320, 66275799), (331, 64073280), (372, 57011440), (465, 45609152), (480, 44183866), (496, 42758580), (620, 34206864), (662, 32036640), (744, 28505720), (930, 22804576), (960, 22091933), (992, 21379290), (993, 21357760), (1240, 17103432), (1324, 16018320), (1488, 14252860), (1655, 12814656), (1860, 11402288), (1984, 10689645), (1986, 10678880), (2153, 9850560), (2480, 8551716), (2648, 8009160), (2976, 7126430), (3310, 6407328), (3720, 5701144), (3972, 5339440), (4306, 4925280), (4960, 4275858), (4965, 4271552), (5296, 4004580), (5952, 3563215), (6459, 3283520), (6620, 3203664), (7440, 2850572), (7944, 2669720), (8612, 2462640), (9920, 2137929), (9930, 2135776), (10261, 2066880), (10592, 2002290), (10765, 1970112), (12918, 1641760), (13240, 1601832), (14880, 1425286), (15888, 1334860), (17224, 1231320), (19860, 1067888), (20522, 1033440), (21184, 1001145), (21530, 985056), (25836, 820880), (26480, 800916), (29760, 712643), (30783, 688960), (31776, 667430), (32295, 656704), (34448, 615660), (39720, 533944), (41044, 516720), (43060, 492528), (51305, 413376), (51672, 410440), (52960, 400458), (61566, 344480), (63552, 333715), (64590, 328352), (66743, 317760), (68896, 307830), (79440, 266972), (82088, 258360), (86120, 246264), (102610, 206688), (103344, 205220), (105920, 200229), (123132, 172240), (129180, 164176), (133486, 158880), (137792, 153915)]