21260948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3767}}^1$

素因数の和:3871

約数の個数: 24

約数和(自身を含む): 39880512

約数和(自身を除く): 18619564

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 3767, 5644, 7534, 15068, 64039, 128078, 256156, 312661, 625322, 1250644, 5315237, 10630474, 21260948]

約数ペア:

[(1, 21260948), (2, 10630474), (4, 5315237), (17, 1250644), (34, 625322), (68, 312661), (83, 256156), (166, 128078), (332, 64039), (1411, 15068), (2822, 7534), (3767, 5644)]