21662728705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{12163}}^1$

素因数の和:12441

約数の個数: 32

約数和(自身を含む): 27430306560

約数和(自身を除く): 5767577855

約数列:

[1, 5, 29, 71, 145, 173, 355, 865, 2059, 5017, 10295, 12163, 12283, 25085, 60815, 61415, 352727, 356207, 863573, 1763635, 1781035, 2104199, 4317865, 10520995, 25043617, 61021771, 125218085, 149398129, 305108855, 746990645, 4332545741, 21662728705]

約数ペア:

[(1, 21662728705), (5, 4332545741), (29, 746990645), (71, 305108855), (145, 149398129), (173, 125218085), (355, 61021771), (865, 25043617), (2059, 10520995), (5017, 4317865), (10295, 2104199), (12163, 1781035), (12283, 1763635), (25085, 863573), (60815, 356207), (61415, 352727)]