20212426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 34066368

約数和(自身を除く): 13853942

約数列:

[1, 2, 13, 26, 41, 67, 82, 134, 283, 533, 566, 871, 1066, 1742, 2747, 3679, 5494, 7358, 11603, 18961, 23206, 35711, 37922, 71422, 150839, 246493, 301678, 492986, 777401, 1554802, 10106213, 20212426]

約数ペア:

[(1, 20212426), (2, 10106213), (13, 1554802), (26, 777401), (41, 492986), (67, 301678), (82, 246493), (134, 150839), (283, 71422), (533, 37922), (566, 35711), (871, 23206), (1066, 18961), (1742, 11603), (2747, 7358), (3679, 5494)]