21244560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 71995392

約数和(自身を除く): 50750832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 127, 136, 164, 170, 204, 205, 240, 246, 254, 255, 272, 328, 340, 381, 408, 410, 492, 508, 510, 615, 635, 656, 680, 697, 762, 816, 820, 984, 1016, 1020, 1230, 1270, 1360, 1394, 1524, 1640, 1905, 1968, 2032, 2040, 2091, 2159, 2460, 2540, 2788, 3048, 3280, 3485, 3810, 4080, 4182, 4318, 4920, 5080, 5207, 5576, 6096, 6477, 6970, 7620, 8364, 8636, 9840, 10160, 10414, 10455, 10795, 11152, 12954, 13940, 15240, 15621, 16728, 17272, 20828, 20910, 21590, 25908, 26035, 27880, 30480, 31242, 32385, 33456, 34544, 41656, 41820, 43180, 51816, 52070, 55760, 62484, 64770, 78105, 83312, 83640, 86360, 88519, 103632, 104140, 124968, 129540, 156210, 167280, 172720, 177038, 208280, 249936, 259080, 265557, 312420, 354076, 416560, 442595, 518160, 531114, 624840, 708152, 885190, 1062228, 1249680, 1327785, 1416304, 1770380, 2124456, 2655570, 3540760, 4248912, 5311140, 7081520, 10622280, 21244560]

約数ペア:

[(1, 21244560), (2, 10622280), (3, 7081520), (4, 5311140), (5, 4248912), (6, 3540760), (8, 2655570), (10, 2124456), (12, 1770380), (15, 1416304), (16, 1327785), (17, 1249680), (20, 1062228), (24, 885190), (30, 708152), (34, 624840), (40, 531114), (41, 518160), (48, 442595), (51, 416560), (60, 354076), (68, 312420), (80, 265557), (82, 259080), (85, 249936), (102, 208280), (120, 177038), (123, 172720), (127, 167280), (136, 156210), (164, 129540), (170, 124968), (204, 104140), (205, 103632), (240, 88519), (246, 86360), (254, 83640), (255, 83312), (272, 78105), (328, 64770), (340, 62484), (381, 55760), (408, 52070), (410, 51816), (492, 43180), (508, 41820), (510, 41656), (615, 34544), (635, 33456), (656, 32385), (680, 31242), (697, 30480), (762, 27880), (816, 26035), (820, 25908), (984, 21590), (1016, 20910), (1020, 20828), (1230, 17272), (1270, 16728), (1360, 15621), (1394, 15240), (1524, 13940), (1640, 12954), (1905, 11152), (1968, 10795), (2032, 10455), (2040, 10414), (2091, 10160), (2159, 9840), (2460, 8636), (2540, 8364), (2788, 7620), (3048, 6970), (3280, 6477), (3485, 6096), (3810, 5576), (4080, 5207), (4182, 5080), (4318, 4920)]