21205070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 18324658

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 257, 370, 446, 514, 1115, 1285, 2230, 2570, 8251, 9509, 16502, 19018, 41255, 47545, 57311, 82510, 95090, 114622, 286555, 573110, 2120507, 4241014, 10602535, 21205070]

約数ペア:

[(1, 21205070), (2, 10602535), (5, 4241014), (10, 2120507), (37, 573110), (74, 286555), (185, 114622), (223, 95090), (257, 82510), (370, 57311), (446, 47545), (514, 41255), (1115, 19018), (1285, 16502), (2230, 9509), (2570, 8251)]