21945804

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 30889524

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 167, 188, 233, 282, 334, 466, 501, 564, 668, 699, 932, 1002, 1398, 2004, 2796, 7849, 10951, 15698, 21902, 23547, 31396, 32853, 38911, 43804, 47094, 65706, 77822, 94188, 116733, 131412, 155644, 233466, 466932, 1828817, 3657634, 5486451, 7315268, 10972902, 21945804]

約数ペア:

[(1, 21945804), (2, 10972902), (3, 7315268), (4, 5486451), (6, 3657634), (12, 1828817), (47, 466932), (94, 233466), (141, 155644), (167, 131412), (188, 116733), (233, 94188), (282, 77822), (334, 65706), (466, 47094), (501, 43804), (564, 38911), (668, 32853), (699, 31396), (932, 23547), (1002, 21902), (1398, 15698), (2004, 10951), (2796, 7849)]