21328290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236981}}^1$

素因数の和:236994

約数の個数: 24

約数和(自身を含む): 55453788

約数和(自身を除く): 34125498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236981, 473962, 710943, 1184905, 1421886, 2132829, 2369810, 3554715, 4265658, 7109430, 10664145, 21328290]

約数ペア:

[(1, 21328290), (2, 10664145), (3, 7109430), (5, 4265658), (6, 3554715), (9, 2369810), (10, 2132829), (15, 1421886), (18, 1184905), (30, 710943), (45, 473962), (90, 236981)]