21935760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1221

約数の個数: 160

約数和(自身を含む): 84851712

約数和(自身を除く): 62915952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1187, 1232, 1320, 1540, 1680, 1848, 2310, 2374, 2640, 3080, 3561, 3696, 4620, 4748, 5935, 6160, 7122, 8309, 9240, 9496, 11870, 13057, 14244, 16618, 17805, 18480, 18992, 23740, 24927, 26114, 28488, 33236, 35610, 39171, 41545, 47480, 49854, 52228, 56976, 65285, 66472, 71220, 78342, 83090, 91399, 94960, 99708, 104456, 124635, 130570, 132944, 142440, 156684, 166180, 182798, 195855, 199416, 208912, 249270, 261140, 274197, 284880, 313368, 332360, 365596, 391710, 398832, 456995, 498540, 522280, 548394, 626736, 664720, 731192, 783420, 913990, 997080, 1044560, 1096788, 1370985, 1462384, 1566840, 1827980, 1994160, 2193576, 2741970, 3133680, 3655960, 4387152, 5483940, 7311920, 10967880, 21935760]

約数ペア:

[(1, 21935760), (2, 10967880), (3, 7311920), (4, 5483940), (5, 4387152), (6, 3655960), (7, 3133680), (8, 2741970), (10, 2193576), (11, 1994160), (12, 1827980), (14, 1566840), (15, 1462384), (16, 1370985), (20, 1096788), (21, 1044560), (22, 997080), (24, 913990), (28, 783420), (30, 731192), (33, 664720), (35, 626736), (40, 548394), (42, 522280), (44, 498540), (48, 456995), (55, 398832), (56, 391710), (60, 365596), (66, 332360), (70, 313368), (77, 284880), (80, 274197), (84, 261140), (88, 249270), (105, 208912), (110, 199416), (112, 195855), (120, 182798), (132, 166180), (140, 156684), (154, 142440), (165, 132944), (168, 130570), (176, 124635), (210, 104456), (220, 99708), (231, 94960), (240, 91399), (264, 83090), (280, 78342), (308, 71220), (330, 66472), (336, 65285), (385, 56976), (420, 52228), (440, 49854), (462, 47480), (528, 41545), (560, 39171), (616, 35610), (660, 33236), (770, 28488), (840, 26114), (880, 24927), (924, 23740), (1155, 18992), (1187, 18480), (1232, 17805), (1320, 16618), (1540, 14244), (1680, 13057), (1848, 11870), (2310, 9496), (2374, 9240), (2640, 8309), (3080, 7122), (3561, 6160), (3696, 5935), (4620, 4748)]