21813200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2412

約数の個数: 60

約数和(自身を含む): 54707808

約数和(自身を除く): 32894608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 2371, 4600, 4742, 9200, 9484, 11855, 18968, 23710, 37936, 47420, 54533, 59275, 94840, 109066, 118550, 189680, 218132, 237100, 272665, 436264, 474200, 545330, 872528, 948400, 1090660, 1363325, 2181320, 2726650, 4362640, 5453300, 10906600, 21813200]

約数ペア:

[(1, 21813200), (2, 10906600), (4, 5453300), (5, 4362640), (8, 2726650), (10, 2181320), (16, 1363325), (20, 1090660), (23, 948400), (25, 872528), (40, 545330), (46, 474200), (50, 436264), (80, 272665), (92, 237100), (100, 218132), (115, 189680), (184, 118550), (200, 109066), (230, 94840), (368, 59275), (400, 54533), (460, 47420), (575, 37936), (920, 23710), (1150, 18968), (1840, 11855), (2300, 9484), (2371, 9200), (4600, 4742)]