21797400674

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53688179}}^1$

素因数の和:53688217

約数の個数: 16

約数和(自身を含む): 38655489600

約数和(自身を除く): 16858088926

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53688179, 107376358, 375817253, 751634506, 1556957191, 3113914382, 10898700337, 21797400674]

約数ペア:

[(1, 21797400674), (2, 10898700337), (7, 3113914382), (14, 1556957191), (29, 751634506), (58, 375817253), (203, 107376358), (406, 53688179)]