21100560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6763}}^1$

素因数の和:6792

約数の個数: 80

約数和(自身を含む): 70453824

約数和(自身を除く): 49353264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6763, 13526, 20289, 27052, 33815, 40578, 54104, 67630, 81156, 87919, 101445, 108208, 135260, 162312, 175838, 202890, 263757, 270520, 324624, 351676, 405780, 439595, 527514, 541040, 703352, 811560, 879190, 1055028, 1318785, 1406704, 1623120, 1758380, 2110056, 2637570, 3516760, 4220112, 5275140, 7033520, 10550280, 21100560]

約数ペア:

[(1, 21100560), (2, 10550280), (3, 7033520), (4, 5275140), (5, 4220112), (6, 3516760), (8, 2637570), (10, 2110056), (12, 1758380), (13, 1623120), (15, 1406704), (16, 1318785), (20, 1055028), (24, 879190), (26, 811560), (30, 703352), (39, 541040), (40, 527514), (48, 439595), (52, 405780), (60, 351676), (65, 324624), (78, 270520), (80, 263757), (104, 202890), (120, 175838), (130, 162312), (156, 135260), (195, 108208), (208, 101445), (240, 87919), (260, 81156), (312, 67630), (390, 54104), (520, 40578), (624, 33815), (780, 27052), (1040, 20289), (1560, 13526), (3120, 6763)]