21529008

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{3181}}^1$

素因数の和:3242

約数の個数: 60

約数和(自身を含む): 61552608

約数和(自身を除く): 40023600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 3181, 3384, 6362, 6768, 9543, 12724, 19086, 25448, 28629, 38172, 50896, 57258, 76344, 114516, 149507, 152688, 229032, 299014, 448521, 458064, 598028, 897042, 1196056, 1345563, 1794084, 2392112, 2691126, 3588168, 5382252, 7176336, 10764504, 21529008]

約数ペア:

[(1, 21529008), (2, 10764504), (3, 7176336), (4, 5382252), (6, 3588168), (8, 2691126), (9, 2392112), (12, 1794084), (16, 1345563), (18, 1196056), (24, 897042), (36, 598028), (47, 458064), (48, 448521), (72, 299014), (94, 229032), (141, 152688), (144, 149507), (188, 114516), (282, 76344), (376, 57258), (423, 50896), (564, 38172), (752, 28629), (846, 25448), (1128, 19086), (1692, 12724), (2256, 9543), (3181, 6768), (3384, 6362)]