21316206

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 22430994

約数列:

[1, 2, 3, 6, 61, 122, 139, 183, 278, 366, 417, 419, 834, 838, 1257, 2514, 8479, 16958, 25437, 25559, 50874, 51118, 58241, 76677, 116482, 153354, 174723, 349446, 3552701, 7105402, 10658103, 21316206]

約数ペア:

[(1, 21316206), (2, 10658103), (3, 7105402), (6, 3552701), (61, 349446), (122, 174723), (139, 153354), (183, 116482), (278, 76677), (366, 58241), (417, 51118), (419, 50874), (834, 25559), (838, 25437), (1257, 16958), (2514, 8479)]