21520968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2417}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 62674560

約数和(自身を除く): 41153592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2226, 2417, 2968, 4452, 4834, 7251, 8904, 9668, 14502, 16919, 19336, 29004, 33838, 50757, 58008, 67676, 101514, 128101, 135352, 203028, 256202, 384303, 406056, 512404, 768606, 896707, 1024808, 1537212, 1793414, 2690121, 3074424, 3586828, 5380242, 7173656, 10760484, 21520968]

約数ペア:

[(1, 21520968), (2, 10760484), (3, 7173656), (4, 5380242), (6, 3586828), (7, 3074424), (8, 2690121), (12, 1793414), (14, 1537212), (21, 1024808), (24, 896707), (28, 768606), (42, 512404), (53, 406056), (56, 384303), (84, 256202), (106, 203028), (159, 135352), (168, 128101), (212, 101514), (318, 67676), (371, 58008), (424, 50757), (636, 33838), (742, 29004), (1113, 19336), (1272, 16919), (1484, 14502), (2226, 9668), (2417, 8904), (2968, 7251), (4452, 4834)]