21043476

素因数分解:

$2^2\times 3^4\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 60

約数和(自身を含む): 55617408

約数和(自身を除く): 34573932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 214, 321, 324, 428, 607, 642, 963, 1214, 1284, 1821, 1926, 2428, 2889, 3642, 3852, 5463, 5778, 7284, 8667, 10926, 11556, 16389, 17334, 21852, 32778, 34668, 49167, 64949, 65556, 98334, 129898, 194847, 196668, 259796, 389694, 584541, 779388, 1169082, 1753623, 2338164, 3507246, 5260869, 7014492, 10521738, 21043476]

約数ペア:

[(1, 21043476), (2, 10521738), (3, 7014492), (4, 5260869), (6, 3507246), (9, 2338164), (12, 1753623), (18, 1169082), (27, 779388), (36, 584541), (54, 389694), (81, 259796), (107, 196668), (108, 194847), (162, 129898), (214, 98334), (321, 65556), (324, 64949), (428, 49167), (607, 34668), (642, 32778), (963, 21852), (1214, 17334), (1284, 16389), (1821, 11556), (1926, 10926), (2428, 8667), (2889, 7284), (3642, 5778), (3852, 5463)]