21149303755

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{268069}}^1$

素因数の和:268614

約数の個数: 16

約数和(自身を含む): 26249414400

約数和(自身を除く): 5100110645

約数列:

[1, 5, 31, 155, 509, 2545, 15779, 78895, 268069, 1340345, 8310139, 41550695, 136447121, 682235605, 4229860751, 21149303755]

約数ペア:

[(1, 21149303755), (5, 4229860751), (31, 682235605), (155, 136447121), (509, 41550695), (2545, 8310139), (15779, 1340345), (78895, 268069)]