21263974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16903}}^1$

素因数の和:16959

約数の個数: 16

約数和(自身を含む): 34687008

約数和(自身を除く): 13423034

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16903, 33806, 287351, 574702, 625411, 1250822, 10631987, 21263974]

約数ペア:

[(1, 21263974), (2, 10631987), (17, 1250822), (34, 625411), (37, 574702), (74, 287351), (629, 33806), (1258, 16903)]