21036442

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28351}}^1$

素因数の和:28413

約数の個数: 16

約数和(自身を含む): 36744192

約数和(自身を除く): 15707750

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28351, 56702, 198457, 396914, 1502603, 3005206, 10518221, 21036442]

約数ペア:

[(1, 21036442), (2, 10518221), (7, 3005206), (14, 1502603), (53, 396914), (106, 198457), (371, 56702), (742, 28351)]