21003364

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{18169}}^1$

素因数の和:18207

約数の個数: 18

約数和(自身を含む): 39047330

約数和(自身を除く): 18043966

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 18169, 36338, 72676, 308873, 617746, 1235492, 5250841, 10501682, 21003364]

約数ペア:

[(1, 21003364), (2, 10501682), (4, 5250841), (17, 1235492), (34, 617746), (68, 308873), (289, 72676), (578, 36338), (1156, 18169)]