21866169

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 12647751

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1283, 1311, 3849, 5681, 16679, 17043, 24377, 29509, 50037, 73131, 88527, 316901, 383617, 560671, 950703, 1150851, 1682013, 7288723, 21866169]

約数ペア:

[(1, 21866169), (3, 7288723), (13, 1682013), (19, 1150851), (23, 950703), (39, 560671), (57, 383617), (69, 316901), (247, 88527), (299, 73131), (437, 50037), (741, 29509), (897, 24377), (1283, 17043), (1311, 16679), (3849, 5681)]