21346400

素因数分解:

$2^5\times 5^2\times {\mathrm{26683}}^1$

素因数の和:26703

約数の個数: 36

約数和(自身を含む): 52113852

約数和(自身を除く): 30767452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26683, 53366, 106732, 133415, 213464, 266830, 426928, 533660, 667075, 853856, 1067320, 1334150, 2134640, 2668300, 4269280, 5336600, 10673200, 21346400]

約数ペア:

[(1, 21346400), (2, 10673200), (4, 5336600), (5, 4269280), (8, 2668300), (10, 2134640), (16, 1334150), (20, 1067320), (25, 853856), (32, 667075), (40, 533660), (50, 426928), (80, 266830), (100, 213464), (160, 133415), (200, 106732), (400, 53366), (800, 26683)]