21261510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2339}}^1$

素因数の和:2453

約数の個数: 48

約数和(自身を含む): 55851120

約数和(自身を除く): 34589610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 2339, 3030, 4545, 4678, 7017, 9090, 11695, 14034, 21051, 23390, 35085, 42102, 70170, 105255, 210510, 236239, 472478, 708717, 1181195, 1417434, 2126151, 2362390, 3543585, 4252302, 7087170, 10630755, 21261510]

約数ペア:

[(1, 21261510), (2, 10630755), (3, 7087170), (5, 4252302), (6, 3543585), (9, 2362390), (10, 2126151), (15, 1417434), (18, 1181195), (30, 708717), (45, 472478), (90, 236239), (101, 210510), (202, 105255), (303, 70170), (505, 42102), (606, 35085), (909, 23390), (1010, 21051), (1515, 14034), (1818, 11695), (2339, 9090), (3030, 7017), (4545, 4678)]