21761200

素因数分解:

$2^4\times 5^2\times {\mathrm{54403}}^1$

素因数の和:54421

約数の個数: 30

約数和(自身を含む): 52282244

約数和(自身を除く): 30521044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54403, 108806, 217612, 272015, 435224, 544030, 870448, 1088060, 1360075, 2176120, 2720150, 4352240, 5440300, 10880600, 21761200]

約数ペア:

[(1, 21761200), (2, 10880600), (4, 5440300), (5, 4352240), (8, 2720150), (10, 2176120), (16, 1360075), (20, 1088060), (25, 870448), (40, 544030), (50, 435224), (80, 272015), (100, 217612), (200, 108806), (400, 54403)]