21000745823140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1\times {\mathrm{20201183}}^1$

素因数の和:20202132

約数の個数: 48

約数和(自身を含む): 44899959605760

約数和(自身を除く): 23899213782620

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 881, 1180, 1762, 3524, 4405, 8810, 17620, 51979, 103958, 207916, 259895, 519790, 1039580, 20201183, 40402366, 80804732, 101005915, 202011830, 404023660, 1191869797, 2383739594, 4767479188, 5959348985, 11918697970, 17797242223, 23837395940, 35594484446, 71188968892, 88986211115, 177972422230, 355944844460, 1050037291157, 2100074582314, 4200149164628, 5250186455785, 10500372911570, 21000745823140]

約数ペア:

[(1, 21000745823140), (2, 10500372911570), (4, 5250186455785), (5, 4200149164628), (10, 2100074582314), (20, 1050037291157), (59, 355944844460), (118, 177972422230), (236, 88986211115), (295, 71188968892), (590, 35594484446), (881, 23837395940), (1180, 17797242223), (1762, 11918697970), (3524, 5959348985), (4405, 4767479188), (8810, 2383739594), (17620, 1191869797), (51979, 404023660), (103958, 202011830), (207916, 101005915), (259895, 80804732), (519790, 40402366), (1039580, 20201183)]