21971490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17863}}^1$

素因数の和:17914

約数の個数: 32

約数和(自身を含む): 54020736

約数和(自身を除く): 32049246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17863, 35726, 53589, 89315, 107178, 178630, 267945, 535890, 732383, 1464766, 2197149, 3661915, 4394298, 7323830, 10985745, 21971490]

約数ペア:

[(1, 21971490), (2, 10985745), (3, 7323830), (5, 4394298), (6, 3661915), (10, 2197149), (15, 1464766), (30, 732383), (41, 535890), (82, 267945), (123, 178630), (205, 107178), (246, 89315), (410, 53589), (615, 35726), (1230, 17863)]