21457992

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47057}}^1$

素因数の和:47085

約数の個数: 32

約数和(自身を含む): 56469600

約数和(自身を除く): 35011608

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 47057, 94114, 141171, 188228, 282342, 376456, 564684, 894083, 1129368, 1788166, 2682249, 3576332, 5364498, 7152664, 10728996, 21457992]

約数ペア:

[(1, 21457992), (2, 10728996), (3, 7152664), (4, 5364498), (6, 3576332), (8, 2682249), (12, 1788166), (19, 1129368), (24, 894083), (38, 564684), (57, 376456), (76, 282342), (114, 188228), (152, 141171), (228, 94114), (456, 47057)]