21830438

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15139}}^1$

素因数の和:15251

約数の個数: 16

約数和(自身を含む): 37789440

約数和(自身を除く): 15959002

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 15139, 30278, 105973, 211946, 1559317, 3118634, 10915219, 21830438]

約数ペア:

[(1, 21830438), (2, 10915219), (7, 3118634), (14, 1559317), (103, 211946), (206, 105973), (721, 30278), (1442, 15139)]