21468438

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27737}}^1$

素因数の和:27788

約数の個数: 24

約数和(自身を含む): 47598408

約数和(自身を除く): 26129970

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27737, 55474, 83211, 166422, 249633, 499266, 1192691, 2385382, 3578073, 7156146, 10734219, 21468438]

約数ペア:

[(1, 21468438), (2, 10734219), (3, 7156146), (6, 3578073), (9, 2385382), (18, 1192691), (43, 499266), (86, 249633), (129, 166422), (258, 83211), (387, 55474), (774, 27737)]