21431184

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3259}}^1$

素因数の和:3407

約数の個数: 40

約数和(自身を含む): 55785120

約数和(自身を除く): 34353936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3259, 3288, 6518, 6576, 9777, 13036, 19554, 26072, 39108, 52144, 78216, 156432, 446483, 892966, 1339449, 1785932, 2678898, 3571864, 5357796, 7143728, 10715592, 21431184]

約数ペア:

[(1, 21431184), (2, 10715592), (3, 7143728), (4, 5357796), (6, 3571864), (8, 2678898), (12, 1785932), (16, 1339449), (24, 892966), (48, 446483), (137, 156432), (274, 78216), (411, 52144), (548, 39108), (822, 26072), (1096, 19554), (1644, 13036), (2192, 9777), (3259, 6576), (3288, 6518)]