21599210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 18619990

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 379, 410, 695, 758, 1390, 1895, 3790, 5699, 11398, 15539, 28495, 31078, 52681, 56990, 77695, 105362, 155390, 263405, 526810, 2159921, 4319842, 10799605, 21599210]

約数ペア:

[(1, 21599210), (2, 10799605), (5, 4319842), (10, 2159921), (41, 526810), (82, 263405), (139, 155390), (205, 105362), (278, 77695), (379, 56990), (410, 52681), (695, 31078), (758, 28495), (1390, 15539), (1895, 11398), (3790, 5699)]