21091736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20725864

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1451, 1817, 2902, 3634, 5804, 7268, 11608, 14536, 33373, 66746, 114629, 133492, 229258, 266984, 458516, 917032, 2636467, 5272934, 10545868, 21091736]

約数ペア:

[(1, 21091736), (2, 10545868), (4, 5272934), (8, 2636467), (23, 917032), (46, 458516), (79, 266984), (92, 229258), (158, 133492), (184, 114629), (316, 66746), (632, 33373), (1451, 14536), (1817, 11608), (2902, 7268), (3634, 5804)]