21491880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179099}}^1$

素因数の和:179113

約数の個数: 32

約数和(自身を含む): 64476000

約数和(自身を除く): 42984120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179099, 358198, 537297, 716396, 895495, 1074594, 1432792, 1790990, 2149188, 2686485, 3581980, 4298376, 5372970, 7163960, 10745940, 21491880]

約数ペア:

[(1, 21491880), (2, 10745940), (3, 7163960), (4, 5372970), (5, 4298376), (6, 3581980), (8, 2686485), (10, 2149188), (12, 1790990), (15, 1432792), (20, 1074594), (24, 895495), (30, 716396), (40, 537297), (60, 358198), (120, 179099)]