21376260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118757}}^1$

素因数の和:118772

約数の個数: 36

約数和(自身を含む): 64841868

約数和(自身を除く): 43465608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118757, 237514, 356271, 475028, 593785, 712542, 1068813, 1187570, 1425084, 1781355, 2137626, 2375140, 3562710, 4275252, 5344065, 7125420, 10688130, 21376260]

約数ペア:

[(1, 21376260), (2, 10688130), (3, 7125420), (4, 5344065), (5, 4275252), (6, 3562710), (9, 2375140), (10, 2137626), (12, 1781355), (15, 1425084), (18, 1187570), (20, 1068813), (30, 712542), (36, 593785), (45, 475028), (60, 356271), (90, 237514), (180, 118757)]