21000273870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700009129}}^1$

素因数の和:700009139

約数の個数: 16

約数和(自身を含む): 50400657360

約数和(自身を除く): 29400383490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700009129, 1400018258, 2100027387, 3500045645, 4200054774, 7000091290, 10500136935, 21000273870]

約数ペア:

[(1, 21000273870), (2, 10500136935), (3, 7000091290), (5, 4200054774), (6, 3500045645), (10, 2100027387), (15, 1400018258), (30, 700009129)]