21492722800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1452211}}^1$

素因数の和:1452266

約数の個数: 60

約数和(自身を含む): 53031877816

約数和(自身を除く): 31539155016

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, 1480, 1850, 2960, 3700, 7400, 14800, 1452211, 2904422, 5808844, 7261055, 11617688, 14522110, 23235376, 29044220, 36305275, 53731807, 58088440, 72610550, 107463614, 116176880, 145221100, 214927228, 268659035, 290442200, 429854456, 537318070, 580884400, 859708912, 1074636140, 1343295175, 2149272280, 2686590350, 4298544560, 5373180700, 10746361400, 21492722800]

約数ペア:

[(1, 21492722800), (2, 10746361400), (4, 5373180700), (5, 4298544560), (8, 2686590350), (10, 2149272280), (16, 1343295175), (20, 1074636140), (25, 859708912), (37, 580884400), (40, 537318070), (50, 429854456), (74, 290442200), (80, 268659035), (100, 214927228), (148, 145221100), (185, 116176880), (200, 107463614), (296, 72610550), (370, 58088440), (400, 53731807), (592, 36305275), (740, 29044220), (925, 23235376), (1480, 14522110), (1850, 11617688), (2960, 7261055), (3700, 5808844), (7400, 2904422), (14800, 1452211)]