21668284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25919}}^1$

素因数の和:25953

約数の個数: 24

約数和(自身を含む): 43545600

約数和(自身を除く): 21877316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25919, 51838, 103676, 285109, 492461, 570218, 984922, 1140436, 1969844, 5417071, 10834142, 21668284]

約数ペア:

[(1, 21668284), (2, 10834142), (4, 5417071), (11, 1969844), (19, 1140436), (22, 984922), (38, 570218), (44, 492461), (76, 285109), (209, 103676), (418, 51838), (836, 25919)]