21107674

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28447}}^1$

素因数の和:28509

約数の個数: 16

約数和(自身を含む): 36868608

約数和(自身を除く): 15760934

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28447, 56894, 199129, 398258, 1507691, 3015382, 10553837, 21107674]

約数ペア:

[(1, 21107674), (2, 10553837), (7, 3015382), (14, 1507691), (53, 398258), (106, 199129), (371, 56894), (742, 28447)]