21826449

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12042351

約数列:

[1, 3, 9, 27, 31, 89, 93, 267, 279, 293, 801, 837, 879, 2403, 2637, 2759, 7911, 8277, 9083, 24831, 26077, 27249, 74493, 78231, 81747, 234693, 245241, 704079, 808387, 2425161, 7275483, 21826449]

約数ペア:

[(1, 21826449), (3, 7275483), (9, 2425161), (27, 808387), (31, 704079), (89, 245241), (93, 234693), (267, 81747), (279, 78231), (293, 74493), (801, 27249), (837, 26077), (879, 24831), (2403, 9083), (2637, 8277), (2759, 7911)]