21818120

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2341}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 49322520

約数和(自身を除く): 27504400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 2341, 4660, 4682, 9320, 9364, 11705, 18728, 23410, 46820, 93640, 545453, 1090906, 2181812, 2727265, 4363624, 5454530, 10909060, 21818120]

約数ペア:

[(1, 21818120), (2, 10909060), (4, 5454530), (5, 4363624), (8, 2727265), (10, 2181812), (20, 1090906), (40, 545453), (233, 93640), (466, 46820), (932, 23410), (1165, 18728), (1864, 11705), (2330, 9364), (2341, 9320), (4660, 4682)]