21618798

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211949}}^1$

素因数の和:211971

約数の個数: 16

約数和(自身を含む): 45781200

約数和(自身を除く): 24162402

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 211949, 423898, 635847, 1271694, 3603133, 7206266, 10809399, 21618798]

約数ペア:

[(1, 21618798), (2, 10809399), (3, 7206266), (6, 3603133), (17, 1271694), (34, 635847), (51, 423898), (102, 211949)]