21184295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 8571865

約数列:

[1, 5, 11, 17, 55, 85, 139, 163, 187, 695, 815, 935, 1529, 1793, 2363, 2771, 7645, 8965, 11815, 13855, 22657, 25993, 30481, 113285, 129965, 152405, 249227, 385169, 1246135, 1925845, 4236859, 21184295]

約数ペア:

[(1, 21184295), (5, 4236859), (11, 1925845), (17, 1246135), (55, 385169), (85, 249227), (139, 152405), (163, 129965), (187, 113285), (695, 30481), (815, 25993), (935, 22657), (1529, 13855), (1793, 11815), (2363, 8965), (2771, 7645)]