21000638910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13207949}}^1$

素因数の和:13208012

約数の個数: 32

約数和(自身を含む): 51352509600

約数和(自身を除く): 30351870690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13207949, 26415898, 39623847, 66039745, 79247694, 132079490, 198119235, 396238470, 700021297, 1400042594, 2100063891, 3500106485, 4200127782, 7000212970, 10500319455, 21000638910]

約数ペア:

[(1, 21000638910), (2, 10500319455), (3, 7000212970), (5, 4200127782), (6, 3500106485), (10, 2100063891), (15, 1400042594), (30, 700021297), (53, 396238470), (106, 198119235), (159, 132079490), (265, 79247694), (318, 66039745), (530, 39623847), (795, 26415898), (1590, 13207949)]