21995224

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 21096776

約数列:

[1, 2, 4, 8, 29, 58, 113, 116, 226, 232, 452, 839, 904, 1678, 3277, 3356, 6554, 6712, 13108, 24331, 26216, 48662, 94807, 97324, 189614, 194648, 379228, 758456, 2749403, 5498806, 10997612, 21995224]

約数ペア:

[(1, 21995224), (2, 10997612), (4, 5498806), (8, 2749403), (29, 758456), (58, 379228), (113, 194648), (116, 189614), (226, 97324), (232, 94807), (452, 48662), (839, 26216), (904, 24331), (1678, 13108), (3277, 6712), (3356, 6554)]