21856480

素因数分解:

$2^5\times 5^1\times {\mathrm{136603}}^1$

素因数の和:136618

約数の個数: 24

約数和(自身を含む): 51636312

約数和(自身を除く): 29779832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136603, 273206, 546412, 683015, 1092824, 1366030, 2185648, 2732060, 4371296, 5464120, 10928240, 21856480]

約数ペア:

[(1, 21856480), (2, 10928240), (4, 5464120), (5, 4371296), (8, 2732060), (10, 2185648), (16, 1366030), (20, 1092824), (32, 683015), (40, 546412), (80, 273206), (160, 136603)]