215971212

素因数分解:

$2^2\times 3^1\times {\mathrm{907}}^1\times {\mathrm{19843}}^1$

素因数の和:20757

約数の個数: 24

約数和(自身を含む): 504513856

約数和(自身を除く): 288542644

約数列:

[1, 2, 3, 4, 6, 12, 907, 1814, 2721, 3628, 5442, 10884, 19843, 39686, 59529, 79372, 119058, 238116, 17997601, 35995202, 53992803, 71990404, 107985606, 215971212]

約数ペア:

[(1, 215971212), (2, 107985606), (3, 71990404), (4, 53992803), (6, 35995202), (12, 17997601), (907, 238116), (1814, 119058), (2721, 79372), (3628, 59529), (5442, 39686), (10884, 19843)]