21778644

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 52672256

約数和(自身を除く): 30893612

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 271, 362, 444, 542, 543, 724, 813, 1084, 1086, 1626, 2172, 3252, 6697, 10027, 13394, 20054, 20091, 26788, 30081, 40108, 40182, 49051, 60162, 80364, 98102, 120324, 147153, 196204, 294306, 588612, 1814887, 3629774, 5444661, 7259548, 10889322, 21778644]

約数ペア:

[(1, 21778644), (2, 10889322), (3, 7259548), (4, 5444661), (6, 3629774), (12, 1814887), (37, 588612), (74, 294306), (111, 196204), (148, 147153), (181, 120324), (222, 98102), (271, 80364), (362, 60162), (444, 49051), (542, 40182), (543, 40108), (724, 30081), (813, 26788), (1084, 20091), (1086, 20054), (1626, 13394), (2172, 10027), (3252, 6697)]