21000827568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{52391}}^1$

素因数の和:53602

約数の個数: 80

約数和(自身を含む): 62055599616

約数和(自身を除く): 41054772048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1193, 2386, 3579, 4772, 7158, 8351, 9544, 14316, 16702, 19088, 25053, 28632, 33404, 50106, 52391, 57264, 66808, 100212, 104782, 133616, 157173, 200424, 209564, 314346, 366737, 400848, 419128, 628692, 733474, 838256, 1100211, 1257384, 1466948, 2200422, 2514768, 2933896, 4400844, 5867792, 8801688, 17603376, 62502463, 125004926, 187507389, 250009852, 375014778, 437517241, 500019704, 750029556, 875034482, 1000039408, 1312551723, 1500059112, 1750068964, 2625103446, 3000118224, 3500137928, 5250206892, 7000275856, 10500413784, 21000827568]

約数ペア:

[(1, 21000827568), (2, 10500413784), (3, 7000275856), (4, 5250206892), (6, 3500137928), (7, 3000118224), (8, 2625103446), (12, 1750068964), (14, 1500059112), (16, 1312551723), (21, 1000039408), (24, 875034482), (28, 750029556), (42, 500019704), (48, 437517241), (56, 375014778), (84, 250009852), (112, 187507389), (168, 125004926), (336, 62502463), (1193, 17603376), (2386, 8801688), (3579, 5867792), (4772, 4400844), (7158, 2933896), (8351, 2514768), (9544, 2200422), (14316, 1466948), (16702, 1257384), (19088, 1100211), (25053, 838256), (28632, 733474), (33404, 628692), (50106, 419128), (52391, 400848), (57264, 366737), (66808, 314346), (100212, 209564), (104782, 200424), (133616, 157173)]