21000508804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1496189}}^1$

素因数の和:1496244

約数の個数: 36

約数和(自身を含む): 41788586700

約数和(自身を除く): 20788077896

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 3509, 7018, 14036, 1496189, 2992378, 5984756, 16458079, 32916158, 43389481, 65832316, 86778962, 173557924, 181038869, 362077738, 477284291, 724155476, 954568582, 1909137164, 5250127201, 10500254402, 21000508804]

約数ペア:

[(1, 21000508804), (2, 10500254402), (4, 5250127201), (11, 1909137164), (22, 954568582), (29, 724155476), (44, 477284291), (58, 362077738), (116, 181038869), (121, 173557924), (242, 86778962), (319, 65832316), (484, 43389481), (638, 32916158), (1276, 16458079), (3509, 5984756), (7018, 2992378), (14036, 1496189)]