21242022050

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{419}}^1\times {\mathrm{10039}}^1$

素因数の和:10571

約数の個数: 48

約数和(自身を含む): 40000564800

約数和(自身を除く): 18758542750

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 419, 505, 838, 1010, 2095, 2525, 4190, 5050, 10039, 10475, 20078, 20950, 42319, 50195, 84638, 100390, 211595, 250975, 423190, 501950, 1013939, 1057975, 2027878, 2115950, 4206341, 5069695, 8412682, 10139390, 21031705, 25348475, 42063410, 50696950, 105158525, 210317050, 424840441, 849680882, 2124202205, 4248404410, 10621011025, 21242022050]

約数ペア:

[(1, 21242022050), (2, 10621011025), (5, 4248404410), (10, 2124202205), (25, 849680882), (50, 424840441), (101, 210317050), (202, 105158525), (419, 50696950), (505, 42063410), (838, 25348475), (1010, 21031705), (2095, 10139390), (2525, 8412682), (4190, 5069695), (5050, 4206341), (10039, 2115950), (10475, 2027878), (20078, 1057975), (20950, 1013939), (42319, 501950), (50195, 423190), (84638, 250975), (100390, 211595)]