21192003

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 37048320

約数和(自身を除く): 15856317

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3617, 5859, 10851, 25319, 32553, 75957, 97659, 112127, 227871, 336381, 683613, 784889, 1009143, 2354667, 3027429, 7064001, 21192003]

約数ペア:

[(1, 21192003), (3, 7064001), (7, 3027429), (9, 2354667), (21, 1009143), (27, 784889), (31, 683613), (63, 336381), (93, 227871), (189, 112127), (217, 97659), (279, 75957), (651, 32553), (837, 25319), (1953, 10851), (3617, 5859)]