21378522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{2677}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 47047104

約数和(自身を除く): 25668582

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 1331, 2662, 2677, 3993, 5354, 7986, 8031, 16062, 29447, 58894, 88341, 176682, 323917, 647834, 971751, 1943502, 3563087, 7126174, 10689261, 21378522]

約数ペア:

[(1, 21378522), (2, 10689261), (3, 7126174), (6, 3563087), (11, 1943502), (22, 971751), (33, 647834), (66, 323917), (121, 176682), (242, 88341), (363, 58894), (726, 29447), (1331, 16062), (2662, 8031), (2677, 7986), (3993, 5354)]