21476910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7867}}^1$

素因数の和:7897

約数の個数: 64

約数和(自身を含む): 63447552

約数和(自身を除く): 41970642

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7867, 15734, 23601, 39335, 47202, 55069, 78670, 102271, 110138, 118005, 165207, 204542, 236010, 275345, 306813, 330414, 511355, 550690, 613626, 715897, 826035, 1022710, 1431794, 1534065, 1652070, 2147691, 3068130, 3579485, 4295382, 7158970, 10738455, 21476910]

約数ペア:

[(1, 21476910), (2, 10738455), (3, 7158970), (5, 4295382), (6, 3579485), (7, 3068130), (10, 2147691), (13, 1652070), (14, 1534065), (15, 1431794), (21, 1022710), (26, 826035), (30, 715897), (35, 613626), (39, 550690), (42, 511355), (65, 330414), (70, 306813), (78, 275345), (91, 236010), (105, 204542), (130, 165207), (182, 118005), (195, 110138), (210, 102271), (273, 78670), (390, 55069), (455, 47202), (546, 39335), (910, 23601), (1365, 15734), (2730, 7867)]