21442293

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 33093120

約数和(自身を除く): 11650827

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 277, 423, 549, 831, 1269, 1647, 2493, 2867, 7479, 8601, 13019, 16897, 25803, 39057, 50691, 77409, 117171, 152073, 351513, 456219, 794159, 2382477, 7147431, 21442293]

約数ペア:

[(1, 21442293), (3, 7147431), (9, 2382477), (27, 794159), (47, 456219), (61, 351513), (141, 152073), (183, 117171), (277, 77409), (423, 50691), (549, 39057), (831, 25803), (1269, 16897), (1647, 13019), (2493, 8601), (2867, 7479)]