21271166040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67579}}^1$

素因数の和:67697

約数の個数: 128

約数和(自身を含む): 66368966400

約数和(自身を除く): 45097800360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 183, 215, 244, 258, 305, 344, 366, 430, 488, 516, 610, 645, 732, 860, 915, 1032, 1220, 1290, 1464, 1720, 1830, 2440, 2580, 2623, 3660, 5160, 5246, 7320, 7869, 10492, 13115, 15738, 20984, 26230, 31476, 39345, 52460, 62952, 67579, 78690, 104920, 135158, 157380, 202737, 270316, 314760, 337895, 405474, 540632, 675790, 810948, 1013685, 1351580, 1621896, 2027370, 2703160, 2905897, 4054740, 4122319, 5811794, 8109480, 8244638, 8717691, 11623588, 12366957, 14529485, 16489276, 17435382, 20611595, 23247176, 24733914, 29058970, 32978552, 34870764, 41223190, 43588455, 49467828, 58117940, 61834785, 69741528, 82446380, 87176910, 98935656, 116235880, 123669570, 164892760, 174353820, 177259717, 247339140, 348707640, 354519434, 494678280, 531779151, 709038868, 886298585, 1063558302, 1418077736, 1772597170, 2127116604, 2658895755, 3545194340, 4254233208, 5317791510, 7090388680, 10635583020, 21271166040]

約数ペア:

[(1, 21271166040), (2, 10635583020), (3, 7090388680), (4, 5317791510), (5, 4254233208), (6, 3545194340), (8, 2658895755), (10, 2127116604), (12, 1772597170), (15, 1418077736), (20, 1063558302), (24, 886298585), (30, 709038868), (40, 531779151), (43, 494678280), (60, 354519434), (61, 348707640), (86, 247339140), (120, 177259717), (122, 174353820), (129, 164892760), (172, 123669570), (183, 116235880), (215, 98935656), (244, 87176910), (258, 82446380), (305, 69741528), (344, 61834785), (366, 58117940), (430, 49467828), (488, 43588455), (516, 41223190), (610, 34870764), (645, 32978552), (732, 29058970), (860, 24733914), (915, 23247176), (1032, 20611595), (1220, 17435382), (1290, 16489276), (1464, 14529485), (1720, 12366957), (1830, 11623588), (2440, 8717691), (2580, 8244638), (2623, 8109480), (3660, 5811794), (5160, 4122319), (5246, 4054740), (7320, 2905897), (7869, 2703160), (10492, 2027370), (13115, 1621896), (15738, 1351580), (20984, 1013685), (26230, 810948), (31476, 675790), (39345, 540632), (52460, 405474), (62952, 337895), (67579, 314760), (78690, 270316), (104920, 202737), (135158, 157380)]