21796690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75161}}^1$

素因数の和:75197

約数の個数: 16

約数和(自身を含む): 40587480

約数和(自身を除く): 18790790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75161, 150322, 375805, 751610, 2179669, 4359338, 10898345, 21796690]

約数ペア:

[(1, 21796690), (2, 10898345), (5, 4359338), (10, 2179669), (29, 751610), (58, 375805), (145, 150322), (290, 75161)]