21650348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2521}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 40251120

約数和(自身を除く): 18600772

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2521, 4294, 5042, 8588, 10084, 47899, 95798, 191596, 284873, 569746, 1139492, 5412587, 10825174, 21650348]

約数ペア:

[(1, 21650348), (2, 10825174), (4, 5412587), (19, 1139492), (38, 569746), (76, 284873), (113, 191596), (226, 95798), (452, 47899), (2147, 10084), (2521, 8588), (4294, 5042)]