21443560

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2341}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 48479400

約数和(自身を除く): 27035840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 2341, 4580, 4682, 9160, 9364, 11705, 18728, 23410, 46820, 93640, 536089, 1072178, 2144356, 2680445, 4288712, 5360890, 10721780, 21443560]

約数ペア:

[(1, 21443560), (2, 10721780), (4, 5360890), (5, 4288712), (8, 2680445), (10, 2144356), (20, 1072178), (40, 536089), (229, 93640), (458, 46820), (916, 23410), (1145, 18728), (1832, 11705), (2290, 9364), (2341, 9160), (4580, 4682)]