21370666

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1801}}^1$

素因数の和:2169

約数の個数: 16

約数和(自身を含む): 34057800

約数和(自身を除く): 12687134

約数列:

[1, 2, 17, 34, 349, 698, 1801, 3602, 5933, 11866, 30617, 61234, 628549, 1257098, 10685333, 21370666]

約数ペア:

[(1, 21370666), (2, 10685333), (17, 1257098), (34, 628549), (349, 61234), (698, 30617), (1801, 11866), (3602, 5933)]