21660723

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3744

約数の個数: 32

約数和(自身を含む): 37867520

約数和(自身を除く): 16206797

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3697, 5859, 11091, 25879, 33273, 77637, 99819, 114607, 232911, 343821, 698733, 802249, 1031463, 2406747, 3094389, 7220241, 21660723]

約数ペア:

[(1, 21660723), (3, 7220241), (7, 3094389), (9, 2406747), (21, 1031463), (27, 802249), (31, 698733), (63, 343821), (93, 232911), (189, 114607), (217, 99819), (279, 77637), (651, 33273), (837, 25879), (1953, 11091), (3697, 5859)]