21453426

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{38447}}^1$

素因数の和:38486

約数の個数: 24

約数和(自身を含む): 47983104

約数和(自身を除く): 26529678

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 38447, 76894, 115341, 230682, 346023, 692046, 1191857, 2383714, 3575571, 7151142, 10726713, 21453426]

約数ペア:

[(1, 21453426), (2, 10726713), (3, 7151142), (6, 3575571), (9, 2383714), (18, 1191857), (31, 692046), (62, 346023), (93, 230682), (186, 115341), (279, 76894), (558, 38447)]