21795204

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 54084800

約数和(自身を除く): 32289596

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 109, 114, 218, 228, 327, 436, 654, 877, 1308, 1754, 2071, 2631, 3508, 4142, 5262, 6213, 8284, 10524, 12426, 16663, 24852, 33326, 49989, 66652, 95593, 99978, 191186, 199956, 286779, 382372, 573558, 1147116, 1816267, 3632534, 5448801, 7265068, 10897602, 21795204]

約数ペア:

[(1, 21795204), (2, 10897602), (3, 7265068), (4, 5448801), (6, 3632534), (12, 1816267), (19, 1147116), (38, 573558), (57, 382372), (76, 286779), (109, 199956), (114, 191186), (218, 99978), (228, 95593), (327, 66652), (436, 49989), (654, 33326), (877, 24852), (1308, 16663), (1754, 12426), (2071, 10524), (2631, 8284), (3508, 6213), (4142, 5262)]