21967510

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13477}}^1$

素因数の和:13647

約数の個数: 16

約数和(自身を含む): 39787056

約数和(自身を除く): 17819546

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 13477, 26954, 67385, 134770, 2196751, 4393502, 10983755, 21967510]

約数ペア:

[(1, 21967510), (2, 10983755), (5, 4393502), (10, 2196751), (163, 134770), (326, 67385), (815, 26954), (1630, 13477)]