21961687820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1\times {\mathrm{19609}}^1$

素因数の和:21578

約数の個数: 48

約数和(自身を含む): 47737015200

約数和(自身を除く): 25775327380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1931, 3862, 7724, 9655, 19310, 19609, 38620, 39218, 55999, 78436, 98045, 111998, 196090, 223996, 279995, 392180, 559990, 568661, 1119980, 1137322, 2274644, 2843305, 5686610, 11373220, 37864979, 75729958, 151459916, 189324895, 378649790, 757299580, 1098084391, 2196168782, 4392337564, 5490421955, 10980843910, 21961687820]

約数ペア:

[(1, 21961687820), (2, 10980843910), (4, 5490421955), (5, 4392337564), (10, 2196168782), (20, 1098084391), (29, 757299580), (58, 378649790), (116, 189324895), (145, 151459916), (290, 75729958), (580, 37864979), (1931, 11373220), (3862, 5686610), (7724, 2843305), (9655, 2274644), (19310, 1137322), (19609, 1119980), (38620, 568661), (39218, 559990), (55999, 392180), (78436, 279995), (98045, 223996), (111998, 196090)]