21374338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{6481}}^1$

素因数の和:6597

約数の個数: 16

約数和(自身を含む): 34302744

約数和(自身を除く): 12928406

約数列:

[1, 2, 17, 34, 97, 194, 1649, 3298, 6481, 12962, 110177, 220354, 628657, 1257314, 10687169, 21374338]

約数ペア:

[(1, 21374338), (2, 10687169), (17, 1257314), (34, 628657), (97, 220354), (194, 110177), (1649, 12962), (3298, 6481)]