21297200

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1494

約数の個数: 60

約数和(自身を含む): 52585920

約数和(自身を除く): 31288720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1439, 1480, 1850, 2878, 2960, 3700, 5756, 7195, 7400, 11512, 14390, 14800, 23024, 28780, 35975, 53243, 57560, 71950, 106486, 115120, 143900, 212972, 266215, 287800, 425944, 532430, 575600, 851888, 1064860, 1331075, 2129720, 2662150, 4259440, 5324300, 10648600, 21297200]

約数ペア:

[(1, 21297200), (2, 10648600), (4, 5324300), (5, 4259440), (8, 2662150), (10, 2129720), (16, 1331075), (20, 1064860), (25, 851888), (37, 575600), (40, 532430), (50, 425944), (74, 287800), (80, 266215), (100, 212972), (148, 143900), (185, 115120), (200, 106486), (296, 71950), (370, 57560), (400, 53243), (592, 35975), (740, 28780), (925, 23024), (1439, 14800), (1480, 14390), (1850, 11512), (2878, 7400), (2960, 7195), (3700, 5756)]