21291204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 54766656

約数和(自身を除く): 33475452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 132, 202, 303, 404, 606, 1111, 1212, 1597, 2222, 3194, 3333, 4444, 4791, 6388, 6666, 9582, 13332, 17567, 19164, 35134, 52701, 70268, 105402, 161297, 210804, 322594, 483891, 645188, 967782, 1774267, 1935564, 3548534, 5322801, 7097068, 10645602, 21291204]

約数ペア:

[(1, 21291204), (2, 10645602), (3, 7097068), (4, 5322801), (6, 3548534), (11, 1935564), (12, 1774267), (22, 967782), (33, 645188), (44, 483891), (66, 322594), (101, 210804), (132, 161297), (202, 105402), (303, 70268), (404, 52701), (606, 35134), (1111, 19164), (1212, 17567), (1597, 13332), (2222, 9582), (3194, 6666), (3333, 6388), (4444, 4791)]