21220403798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{11497}}^1$

素因数の和:11813

約数の個数: 48

約数和(自身を含む): 36334599840

約数和(自身を除く): 15114196042

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 263, 319, 526, 638, 2893, 3509, 5786, 7018, 7627, 11497, 15254, 22994, 31823, 63646, 83897, 126467, 167794, 252934, 333413, 666826, 922867, 1391137, 1845734, 2782274, 3023711, 3667543, 6047422, 7335086, 33260821, 40342973, 66521642, 80685946, 87687619, 175375238, 365869031, 731738062, 964563809, 1929127618, 10610201899, 21220403798]

約数ペア:

[(1, 21220403798), (2, 10610201899), (11, 1929127618), (22, 964563809), (29, 731738062), (58, 365869031), (121, 175375238), (242, 87687619), (263, 80685946), (319, 66521642), (526, 40342973), (638, 33260821), (2893, 7335086), (3509, 6047422), (5786, 3667543), (7018, 3023711), (7627, 2782274), (11497, 1845734), (15254, 1391137), (22994, 922867), (31823, 666826), (63646, 333413), (83897, 252934), (126467, 167794)]