21404804510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{293659}}^1$

素因数の和:293900

約数の個数: 32

約数和(自身を含む): 39770961120

約数和(自身を除く): 18366156610

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 7289, 14578, 36445, 72890, 293659, 587318, 1468295, 2936590, 10865383, 21730766, 54326915, 57850823, 108653830, 115701646, 289254115, 578508230, 2140480451, 4280960902, 10702402255, 21404804510]

約数ペア:

[(1, 21404804510), (2, 10702402255), (5, 4280960902), (10, 2140480451), (37, 578508230), (74, 289254115), (185, 115701646), (197, 108653830), (370, 57850823), (394, 54326915), (985, 21730766), (1970, 10865383), (7289, 2936590), (14578, 1468295), (36445, 587318), (72890, 293659)]