21271206

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3191}}^1$

素因数の和:3308

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 25612890

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 101, 202, 303, 606, 1111, 2222, 3191, 3333, 6382, 6666, 9573, 19146, 35101, 70202, 105303, 210606, 322291, 644582, 966873, 1933746, 3545201, 7090402, 10635603, 21271206]

約数ペア:

[(1, 21271206), (2, 10635603), (3, 7090402), (6, 3545201), (11, 1933746), (22, 966873), (33, 644582), (66, 322291), (101, 210606), (202, 105303), (303, 70202), (606, 35101), (1111, 19146), (2222, 9573), (3191, 6666), (3333, 6382)]