21453710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 41401152

約数和(自身を除く): 19947442

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2521, 4255, 5042, 8510, 12605, 25210, 57983, 93277, 115966, 186554, 289915, 466385, 579830, 932770, 2145371, 4290742, 10726855, 21453710]

約数ペア:

[(1, 21453710), (2, 10726855), (5, 4290742), (10, 2145371), (23, 932770), (37, 579830), (46, 466385), (74, 289915), (115, 186554), (185, 115966), (230, 93277), (370, 57983), (851, 25210), (1702, 12605), (2521, 8510), (4255, 5042)]