21447694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2531}}^1$

素因数の和:2775

約数の個数: 16

約数和(自身を含む): 34030080

約数和(自身を除く): 12582386

約数列:

[1, 2, 19, 38, 223, 446, 2531, 4237, 5062, 8474, 48089, 96178, 564413, 1128826, 10723847, 21447694]

約数ペア:

[(1, 21447694), (2, 10723847), (19, 1128826), (38, 564413), (223, 96178), (446, 48089), (2531, 8474), (4237, 5062)]