21023820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38933}}^1$

素因数の和:38951

約数の個数: 48

約数和(自身を含む): 65409120

約数和(自身を除く): 44385300

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, 38933, 77866, 116799, 155732, 194665, 233598, 350397, 389330, 467196, 583995, 700794, 778660, 1051191, 1167990, 1401588, 1751985, 2102382, 2335980, 3503970, 4204764, 5255955, 7007940, 10511910, 21023820]

約数ペア:

[(1, 21023820), (2, 10511910), (3, 7007940), (4, 5255955), (5, 4204764), (6, 3503970), (9, 2335980), (10, 2102382), (12, 1751985), (15, 1401588), (18, 1167990), (20, 1051191), (27, 778660), (30, 700794), (36, 583995), (45, 467196), (54, 389330), (60, 350397), (90, 233598), (108, 194665), (135, 155732), (180, 116799), (270, 77866), (540, 38933)]