21095536904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10675879}}^1$

素因数の和:10675917

約数の個数: 32

約数和(自身を含む): 44838696000

約数和(自身を除く): 23743159096

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10675879, 21351758, 42703516, 85407032, 138786427, 202841701, 277572854, 405683402, 555145708, 811366804, 1110291416, 1622733608, 2636942113, 5273884226, 10547768452, 21095536904]

約数ペア:

[(1, 21095536904), (2, 10547768452), (4, 5273884226), (8, 2636942113), (13, 1622733608), (19, 1110291416), (26, 811366804), (38, 555145708), (52, 405683402), (76, 277572854), (104, 202841701), (152, 138786427), (247, 85407032), (494, 42703516), (988, 21351758), (1976, 10675879)]