21226357150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{89809}}^1$

素因数の和:90013

約数の個数: 48

約数和(自身を含む): 41093463600

約数和(自身を除く): 19867106450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 163, 290, 326, 725, 815, 1450, 1630, 4075, 4727, 8150, 9454, 23635, 47270, 89809, 118175, 179618, 236350, 449045, 898090, 2245225, 2604461, 4490450, 5208922, 13022305, 14638867, 26044610, 29277734, 65111525, 73194335, 130223050, 146388670, 365971675, 424527143, 731943350, 849054286, 2122635715, 4245271430, 10613178575, 21226357150]

約数ペア:

[(1, 21226357150), (2, 10613178575), (5, 4245271430), (10, 2122635715), (25, 849054286), (29, 731943350), (50, 424527143), (58, 365971675), (145, 146388670), (163, 130223050), (290, 73194335), (326, 65111525), (725, 29277734), (815, 26044610), (1450, 14638867), (1630, 13022305), (4075, 5208922), (4727, 4490450), (8150, 2604461), (9454, 2245225), (23635, 898090), (47270, 449045), (89809, 236350), (118175, 179618)]