21499416

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7283}}^1$

素因数の和:7336

約数の個数: 48

約数和(自身を含む): 59655960

約数和(自身を除く): 38156544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7283, 14566, 21849, 29132, 43698, 58264, 65547, 87396, 131094, 174792, 262188, 298603, 524376, 597206, 895809, 1194412, 1791618, 2388824, 2687427, 3583236, 5374854, 7166472, 10749708, 21499416]

約数ペア:

[(1, 21499416), (2, 10749708), (3, 7166472), (4, 5374854), (6, 3583236), (8, 2687427), (9, 2388824), (12, 1791618), (18, 1194412), (24, 895809), (36, 597206), (41, 524376), (72, 298603), (82, 262188), (123, 174792), (164, 131094), (246, 87396), (328, 65547), (369, 58264), (492, 43698), (738, 29132), (984, 21849), (1476, 14566), (2952, 7283)]