21497743878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275612101}}^1$

素因数の和:275612119

約数の個数: 16

約数和(自身を含む): 46302833136

約数和(自身を除く): 24805089258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275612101, 551224202, 826836303, 1653672606, 3582957313, 7165914626, 10748871939, 21497743878]

約数ペア:

[(1, 21497743878), (2, 10748871939), (3, 7165914626), (6, 3582957313), (13, 1653672606), (26, 826836303), (39, 551224202), (78, 275612101)]