21355310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 18712690

約数列:

[1, 2, 5, 10, 29, 58, 145, 211, 290, 349, 422, 698, 1055, 1745, 2110, 3490, 6119, 10121, 12238, 20242, 30595, 50605, 61190, 73639, 101210, 147278, 368195, 736390, 2135531, 4271062, 10677655, 21355310]

約数ペア:

[(1, 21355310), (2, 10677655), (5, 4271062), (10, 2135531), (29, 736390), (58, 368195), (145, 147278), (211, 101210), (290, 73639), (349, 61190), (422, 50605), (698, 30595), (1055, 20242), (1745, 12238), (2110, 10121), (3490, 6119)]