21896072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4079}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 23636728

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 4079, 5368, 8158, 16316, 32632, 44869, 89738, 179476, 248819, 358952, 497638, 995276, 1990552, 2737009, 5474018, 10948036, 21896072]

約数ペア:

[(1, 21896072), (2, 10948036), (4, 5474018), (8, 2737009), (11, 1990552), (22, 995276), (44, 497638), (61, 358952), (88, 248819), (122, 179476), (244, 89738), (488, 44869), (671, 32632), (1342, 16316), (2684, 8158), (4079, 5368)]