21872790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243031}}^1$

素因数の和:243044

約数の個数: 24

約数和(自身を含む): 56869488

約数和(自身を除く): 34996698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243031, 486062, 729093, 1215155, 1458186, 2187279, 2430310, 3645465, 4374558, 7290930, 10936395, 21872790]

約数ペア:

[(1, 21872790), (2, 10936395), (3, 7290930), (5, 4374558), (6, 3645465), (9, 2430310), (10, 2187279), (15, 1458186), (18, 1215155), (30, 729093), (45, 486062), (90, 243031)]