21542876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7727}}^1$

素因数の和:7789

約数の個数: 24

約数和(自身を含む): 40896576

約数和(自身を除く): 19353700

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7727, 15454, 30908, 131359, 262718, 316807, 525436, 633614, 1267228, 5385719, 10771438, 21542876]

約数ペア:

[(1, 21542876), (2, 10771438), (4, 5385719), (17, 1267228), (34, 633614), (41, 525436), (68, 316807), (82, 262718), (164, 131359), (697, 30908), (1394, 15454), (2788, 7727)]