21959060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57787}}^1$

素因数の和:57815

約数の個数: 24

約数和(自身を含む): 48541920

約数和(自身を除く): 26582860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 57787, 115574, 231148, 288935, 577870, 1097953, 1155740, 2195906, 4391812, 5489765, 10979530, 21959060]

約数ペア:

[(1, 21959060), (2, 10979530), (4, 5489765), (5, 4391812), (10, 2195906), (19, 1155740), (20, 1097953), (38, 577870), (76, 288935), (95, 231148), (190, 115574), (380, 57787)]