21354390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237271}}^1$

素因数の和:237284

約数の個数: 24

約数和(自身を含む): 55521648

約数和(自身を除く): 34167258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237271, 474542, 711813, 1186355, 1423626, 2135439, 2372710, 3559065, 4270878, 7118130, 10677195, 21354390]

約数ペア:

[(1, 21354390), (2, 10677195), (3, 7118130), (5, 4270878), (6, 3559065), (9, 2372710), (10, 2135439), (15, 1423626), (18, 1186355), (30, 711813), (45, 474542), (90, 237271)]