21784630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10039}}^1$

素因数の和:10084

約数の個数: 32

約数和(自身を含む): 46264320

約数和(自身を除く): 24479690

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 10039, 20078, 50195, 70273, 100390, 140546, 311209, 351365, 622418, 702730, 1556045, 2178463, 3112090, 4356926, 10892315, 21784630]

約数ペア:

[(1, 21784630), (2, 10892315), (5, 4356926), (7, 3112090), (10, 2178463), (14, 1556045), (31, 702730), (35, 622418), (62, 351365), (70, 311209), (155, 140546), (217, 100390), (310, 70273), (434, 50195), (1085, 20078), (2170, 10039)]