21679154

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16475086

約数列:

[1, 2, 7, 14, 89, 127, 137, 178, 254, 274, 623, 889, 959, 1246, 1778, 1918, 11303, 12193, 17399, 22606, 24386, 34798, 79121, 85351, 121793, 158242, 170702, 243586, 1548511, 3097022, 10839577, 21679154]

約数ペア:

[(1, 21679154), (2, 10839577), (7, 3097022), (14, 1548511), (89, 243586), (127, 170702), (137, 158242), (178, 121793), (254, 85351), (274, 79121), (623, 34798), (889, 24386), (959, 22606), (1246, 17399), (1778, 12193), (1918, 11303)]