21538506

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1063}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 47190528

約数和(自身を除く): 25652022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1063, 1842, 2126, 3189, 3377, 6378, 6754, 10131, 11693, 20262, 23386, 35079, 70158, 326341, 652682, 979023, 1958046, 3589751, 7179502, 10769253, 21538506]

約数ペア:

[(1, 21538506), (2, 10769253), (3, 7179502), (6, 3589751), (11, 1958046), (22, 979023), (33, 652682), (66, 326341), (307, 70158), (614, 35079), (921, 23386), (1063, 20262), (1842, 11693), (2126, 10131), (3189, 6754), (3377, 6378)]