21779055

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4283}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 38093328

約数和(自身を除く): 16314273

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4283, 5085, 12849, 21415, 38547, 64245, 192735, 483979, 1451937, 2419895, 4355811, 7259685, 21779055]

約数ペア:

[(1, 21779055), (3, 7259685), (5, 4355811), (9, 2419895), (15, 1451937), (45, 483979), (113, 192735), (339, 64245), (565, 38547), (1017, 21415), (1695, 12849), (4283, 5085)]