21220634

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2423}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 33160320

約数和(自身を除く): 11939686

約数列:

[1, 2, 29, 58, 151, 302, 2423, 4379, 4846, 8758, 70267, 140534, 365873, 731746, 10610317, 21220634]

約数ペア:

[(1, 21220634), (2, 10610317), (29, 731746), (58, 365873), (151, 140534), (302, 70267), (2423, 8758), (4379, 4846)]