21358230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2707}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 51473664

約数和(自身を除く): 30115434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 2707, 3945, 5414, 7890, 8121, 13535, 16242, 27070, 40605, 81210, 711941, 1423882, 2135823, 3559705, 4271646, 7119410, 10679115, 21358230]

約数ペア:

[(1, 21358230), (2, 10679115), (3, 7119410), (5, 4271646), (6, 3559705), (10, 2135823), (15, 1423882), (30, 711941), (263, 81210), (526, 40605), (789, 27070), (1315, 16242), (1578, 13535), (2630, 8121), (2707, 7890), (3945, 5414)]