21642278

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 39149568

約数和(自身を除く): 17507290

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 1061, 1457, 2122, 2914, 7427, 10199, 14854, 20398, 32891, 49867, 65782, 99734, 230237, 349069, 460474, 698138, 1545877, 3091754, 10821139, 21642278]

約数ペア:

[(1, 21642278), (2, 10821139), (7, 3091754), (14, 1545877), (31, 698138), (47, 460474), (62, 349069), (94, 230237), (217, 99734), (329, 65782), (434, 49867), (658, 32891), (1061, 20398), (1457, 14854), (2122, 10199), (2914, 7427)]