2100098890

素因数分解:

$2^1\times 5^1\times {\mathrm{3889}}^1\times {\mathrm{54001}}^1$

素因数の和:57897

約数の個数: 16

約数和(自身を含む): 3781220040

約数和(自身を除く): 1681121150

約数列:

[1, 2, 5, 10, 3889, 7778, 19445, 38890, 54001, 108002, 270005, 540010, 210009889, 420019778, 1050049445, 2100098890]

約数ペア:

[(1, 2100098890), (2, 1050049445), (5, 420019778), (10, 210009889), (3889, 540010), (7778, 270005), (19445, 108002), (38890, 54001)]