21331560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177763}}^1$

素因数の和:177777

約数の個数: 32

約数和(自身を含む): 63995040

約数和(自身を除く): 42663480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177763, 355526, 533289, 711052, 888815, 1066578, 1422104, 1777630, 2133156, 2666445, 3555260, 4266312, 5332890, 7110520, 10665780, 21331560]

約数ペア:

[(1, 21331560), (2, 10665780), (3, 7110520), (4, 5332890), (5, 4266312), (6, 3555260), (8, 2666445), (10, 2133156), (12, 1777630), (15, 1422104), (20, 1066578), (24, 888815), (30, 711052), (40, 533289), (60, 355526), (120, 177763)]