21629010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1843

約数の個数: 64

約数和(自身を含む): 57738240

約数和(自身を除く): 36109230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1789, 2015, 2418, 3578, 4030, 5367, 6045, 8945, 10734, 12090, 17890, 23257, 26835, 46514, 53670, 55459, 69771, 110918, 116285, 139542, 166377, 232570, 277295, 332754, 348855, 554590, 697710, 720967, 831885, 1441934, 1663770, 2162901, 3604835, 4325802, 7209670, 10814505, 21629010]

約数ペア:

[(1, 21629010), (2, 10814505), (3, 7209670), (5, 4325802), (6, 3604835), (10, 2162901), (13, 1663770), (15, 1441934), (26, 831885), (30, 720967), (31, 697710), (39, 554590), (62, 348855), (65, 332754), (78, 277295), (93, 232570), (130, 166377), (155, 139542), (186, 116285), (195, 110918), (310, 69771), (390, 55459), (403, 53670), (465, 46514), (806, 26835), (930, 23257), (1209, 17890), (1789, 12090), (2015, 10734), (2418, 8945), (3578, 6045), (4030, 5367)]