21420282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 25189638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2719, 3939, 5438, 7878, 8157, 16314, 35347, 70694, 106041, 212082, 274619, 549238, 823857, 1647714, 3570047, 7140094, 10710141, 21420282]

約数ペア:

[(1, 21420282), (2, 10710141), (3, 7140094), (6, 3570047), (13, 1647714), (26, 823857), (39, 549238), (78, 274619), (101, 212082), (202, 106041), (303, 70694), (606, 35347), (1313, 16314), (2626, 8157), (2719, 7878), (3939, 5438)]