21367242

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 28952118

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 719, 762, 1143, 1438, 1651, 2157, 2286, 3302, 4314, 4953, 6471, 9347, 9906, 12942, 14859, 18694, 28041, 29718, 56082, 84123, 91313, 168246, 182626, 273939, 547878, 821817, 1187069, 1643634, 2374138, 3561207, 7122414, 10683621, 21367242]

約数ペア:

[(1, 21367242), (2, 10683621), (3, 7122414), (6, 3561207), (9, 2374138), (13, 1643634), (18, 1187069), (26, 821817), (39, 547878), (78, 273939), (117, 182626), (127, 168246), (234, 91313), (254, 84123), (381, 56082), (719, 29718), (762, 28041), (1143, 18694), (1438, 14859), (1651, 12942), (2157, 9906), (2286, 9347), (3302, 6471), (4314, 4953)]