21447568

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36229}}^1$

素因数の和:36274

約数の個数: 20

約数和(自身を含む): 42678940

約数和(自身を除く): 21231372

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36229, 72458, 144916, 289832, 579664, 1340473, 2680946, 5361892, 10723784, 21447568]

約数ペア:

[(1, 21447568), (2, 10723784), (4, 5361892), (8, 2680946), (16, 1340473), (37, 579664), (74, 289832), (148, 144916), (296, 72458), (592, 36229)]