21296276

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 38021760

約数和(自身を除く): 16725484

約数列:

[1, 2, 4, 89, 163, 178, 326, 356, 367, 652, 734, 1468, 14507, 29014, 32663, 58028, 59821, 65326, 119642, 130652, 239284, 5324069, 10648138, 21296276]

約数ペア:

[(1, 21296276), (2, 10648138), (4, 5324069), (89, 239284), (163, 130652), (178, 119642), (326, 65326), (356, 59821), (367, 58028), (652, 32663), (734, 29014), (1468, 14507)]