21290147308

素因数分解:

$2^2\times {\mathrm{6551}}^1\times {\mathrm{812477}}^1$

素因数の和:819032

約数の個数: 12

約数和(自身を含む): 37263490992

約数和(自身を除く): 15973343684

約数列:

[1, 2, 4, 6551, 13102, 26204, 812477, 1624954, 3249908, 5322536827, 10645073654, 21290147308]

約数ペア:

[(1, 21290147308), (2, 10645073654), (4, 5322536827), (6551, 3249908), (13102, 1624954), (26204, 812477)]