21779986

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2741}}^1$

素因数の和:2909

約数の個数: 16

約数和(自身を含む): 34055640

約数和(自身を除く): 12275654

約数列:

[1, 2, 29, 58, 137, 274, 2741, 3973, 5482, 7946, 79489, 158978, 375517, 751034, 10889993, 21779986]

約数ペア:

[(1, 21779986), (2, 10889993), (29, 751034), (58, 375517), (137, 158978), (274, 79489), (2741, 7946), (3973, 5482)]