21435351

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 13562409

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 619, 679, 1649, 1857, 2037, 4333, 4947, 10523, 11543, 12999, 31569, 34629, 60043, 73661, 180129, 220983, 420301, 1020731, 1260903, 3062193, 7145117, 21435351]

約数ペア:

[(1, 21435351), (3, 7145117), (7, 3062193), (17, 1260903), (21, 1020731), (51, 420301), (97, 220983), (119, 180129), (291, 73661), (357, 60043), (619, 34629), (679, 31569), (1649, 12999), (1857, 11543), (2037, 10523), (4333, 4947)]