21831200

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 72

約数和(自身を含む): 55191780

約数和(自身を除く): 33360580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 928, 941, 1160, 1450, 1882, 2320, 2900, 3764, 4640, 4705, 5800, 7528, 9410, 11600, 15056, 18820, 23200, 23525, 27289, 30112, 37640, 47050, 54578, 75280, 94100, 109156, 136445, 150560, 188200, 218312, 272890, 376400, 436624, 545780, 682225, 752800, 873248, 1091560, 1364450, 2183120, 2728900, 4366240, 5457800, 10915600, 21831200]

約数ペア:

[(1, 21831200), (2, 10915600), (4, 5457800), (5, 4366240), (8, 2728900), (10, 2183120), (16, 1364450), (20, 1091560), (25, 873248), (29, 752800), (32, 682225), (40, 545780), (50, 436624), (58, 376400), (80, 272890), (100, 218312), (116, 188200), (145, 150560), (160, 136445), (200, 109156), (232, 94100), (290, 75280), (400, 54578), (464, 47050), (580, 37640), (725, 30112), (800, 27289), (928, 23525), (941, 23200), (1160, 18820), (1450, 15056), (1882, 11600), (2320, 9410), (2900, 7528), (3764, 5800), (4640, 4705)]