21131820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39133}}^1$

素因数の和:39151

約数の個数: 48

約数和(自身を含む): 65745120

約数和(自身を除く): 44613300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39133, 78266, 117399, 156532, 195665, 234798, 352197, 391330, 469596, 586995, 704394, 782660, 1056591, 1173990, 1408788, 1760985, 2113182, 2347980, 3521970, 4226364, 5282955, 7043940, 10565910, 21131820]

約数ペア:

[(1, 21131820), (2, 10565910), (3, 7043940), (4, 5282955), (5, 4226364), (6, 3521970), (9, 2347980), (10, 2113182), (12, 1760985), (15, 1408788), (18, 1173990), (20, 1056591), (27, 782660), (30, 704394), (36, 586995), (45, 469596), (54, 391330), (60, 352197), (90, 234798), (108, 195665), (135, 156532), (180, 117399), (270, 78266), (540, 39133)]