21545018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5278

約数の個数: 24

約数和(自身を含む): 37619316

約数和(自身を除く): 16074298

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 5237, 10474, 57607, 89029, 115214, 178058, 633677, 979319, 1267354, 1958638, 10772509, 21545018]

約数ペア:

[(1, 21545018), (2, 10772509), (11, 1958638), (17, 1267354), (22, 979319), (34, 633677), (121, 178058), (187, 115214), (242, 89029), (374, 57607), (2057, 10474), (4114, 5237)]