21000751930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{268999}}^1$

素因数の和:269254

約数の個数: 32

約数和(自身を含む): 39007152000

約数和(自身を除く): 18006400070

約数列:

[1, 2, 5, 10, 37, 74, 185, 211, 370, 422, 1055, 2110, 7807, 15614, 39035, 78070, 268999, 537998, 1344995, 2689990, 9952963, 19905926, 49764815, 56758789, 99529630, 113517578, 283793945, 567587890, 2100075193, 4200150386, 10500375965, 21000751930]

約数ペア:

[(1, 21000751930), (2, 10500375965), (5, 4200150386), (10, 2100075193), (37, 567587890), (74, 283793945), (185, 113517578), (211, 99529630), (370, 56758789), (422, 49764815), (1055, 19905926), (2110, 9952963), (7807, 2689990), (15614, 1344995), (39035, 537998), (78070, 268999)]