21109460

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6101}}^1$

素因数の和:6283

約数の個数: 24

約数和(自身を含む): 44593416

約数和(自身を除く): 23483956

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 6101, 12202, 24404, 30505, 61010, 122020, 1055473, 2110946, 4221892, 5277365, 10554730, 21109460]

約数ペア:

[(1, 21109460), (2, 10554730), (4, 5277365), (5, 4221892), (10, 2110946), (20, 1055473), (173, 122020), (346, 61010), (692, 30505), (865, 24404), (1730, 12202), (3460, 6101)]