21941630

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6287}}^1$

素因数の和:6643

約数の個数: 16

約数和(自身を含む): 39614400

約数和(自身を除く): 17672770

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6287, 12574, 31435, 62870, 2194163, 4388326, 10970815, 21941630]

約数ペア:

[(1, 21941630), (2, 10970815), (5, 4388326), (10, 2194163), (349, 62870), (698, 31435), (1745, 12574), (3490, 6287)]