21500362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 15634358

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 494, 613, 923, 1226, 1349, 1846, 2698, 7969, 11647, 15938, 17537, 23294, 35074, 43523, 87046, 151411, 302822, 565799, 826937, 1131598, 1653874, 10750181, 21500362]

約数ペア:

[(1, 21500362), (2, 10750181), (13, 1653874), (19, 1131598), (26, 826937), (38, 565799), (71, 302822), (142, 151411), (247, 87046), (494, 43523), (613, 35074), (923, 23294), (1226, 17537), (1349, 15938), (1846, 11647), (2698, 7969)]