21527015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 27488160

約数和(自身を除く): 5961145

約数列:

[1, 5, 17, 85, 251, 1009, 1255, 4267, 5045, 17153, 21335, 85765, 253259, 1266295, 4305403, 21527015]

約数ペア:

[(1, 21527015), (5, 4305403), (17, 1266295), (85, 253259), (251, 85765), (1009, 21335), (1255, 17153), (4267, 5045)]