21305932

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 38495520

約数和(自身を除く): 17189588

約数列:

[1, 2, 4, 37, 74, 148, 359, 401, 718, 802, 1436, 1604, 13283, 14837, 26566, 29674, 53132, 59348, 143959, 287918, 575836, 5326483, 10652966, 21305932]

約数ペア:

[(1, 21305932), (2, 10652966), (4, 5326483), (37, 575836), (74, 287918), (148, 143959), (359, 59348), (401, 53132), (718, 29674), (802, 26566), (1436, 14837), (1604, 13283)]