21503878

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5268

約数の個数: 24

約数和(自身を含む): 37547496

約数和(自身を除く): 16043618

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 5227, 10454, 57497, 88859, 114994, 177718, 632467, 977449, 1264934, 1954898, 10751939, 21503878]

約数ペア:

[(1, 21503878), (2, 10751939), (11, 1954898), (17, 1264934), (22, 977449), (34, 632467), (121, 177718), (187, 114994), (242, 88859), (374, 57497), (2057, 10454), (4114, 5227)]