21603430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127079}}^1$

素因数の和:127103

約数の個数: 16

約数和(自身を含む): 41173920

約数和(自身を除く): 19570490

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 127079, 254158, 635395, 1270790, 2160343, 4320686, 10801715, 21603430]

約数ペア:

[(1, 21603430), (2, 10801715), (5, 4320686), (10, 2160343), (17, 1270790), (34, 635395), (85, 254158), (170, 127079)]