21547340

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10667}}^1$

素因数の和:10777

約数の個数: 24

約数和(自身を含む): 45701712

約数和(自身を除く): 24154372

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10667, 21334, 42668, 53335, 106670, 213340, 1077367, 2154734, 4309468, 5386835, 10773670, 21547340]

約数ペア:

[(1, 21547340), (2, 10773670), (4, 5386835), (5, 4309468), (10, 2154734), (20, 1077367), (101, 213340), (202, 106670), (404, 53335), (505, 42668), (1010, 21334), (2020, 10667)]