21742612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4015

約数の個数: 24

約数和(自身を含む): 40611200

約数和(自身を除く): 18868588

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3919, 5548, 7838, 15676, 74461, 148922, 286087, 297844, 572174, 1144348, 5435653, 10871306, 21742612]

約数ペア:

[(1, 21742612), (2, 10871306), (4, 5435653), (19, 1144348), (38, 572174), (73, 297844), (76, 286087), (146, 148922), (292, 74461), (1387, 15676), (2774, 7838), (3919, 5548)]