21363550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 23321090

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1429, 1495, 2858, 2990, 7145, 7475, 14290, 14950, 18577, 32867, 35725, 37154, 65734, 71450, 92885, 164335, 185770, 328670, 427271, 464425, 821675, 854542, 928850, 1643350, 2136355, 4272710, 10681775, 21363550]

約数ペア:

[(1, 21363550), (2, 10681775), (5, 4272710), (10, 2136355), (13, 1643350), (23, 928850), (25, 854542), (26, 821675), (46, 464425), (50, 427271), (65, 328670), (115, 185770), (130, 164335), (230, 92885), (299, 71450), (325, 65734), (575, 37154), (598, 35725), (650, 32867), (1150, 18577), (1429, 14950), (1495, 14290), (2858, 7475), (2990, 7145)]