21090840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175757}}^1$

素因数の和:175771

約数の個数: 32

約数和(自身を含む): 63272880

約数和(自身を除く): 42182040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175757, 351514, 527271, 703028, 878785, 1054542, 1406056, 1757570, 2109084, 2636355, 3515140, 4218168, 5272710, 7030280, 10545420, 21090840]

約数ペア:

[(1, 21090840), (2, 10545420), (3, 7030280), (4, 5272710), (5, 4218168), (6, 3515140), (8, 2636355), (10, 2109084), (12, 1757570), (15, 1406056), (20, 1054542), (24, 878785), (30, 703028), (40, 527271), (60, 351514), (120, 175757)]