21017402

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51767}}^1$

素因数の和:51805

約数の個数: 16

約数和(自身を含む): 37272960

約数和(自身を除く): 16255558

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51767, 103534, 362369, 724738, 1501243, 3002486, 10508701, 21017402]

約数ペア:

[(1, 21017402), (2, 10508701), (7, 3002486), (14, 1501243), (29, 724738), (58, 362369), (203, 103534), (406, 51767)]