21000716358

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1\times {\mathrm{52631}}^1$

素因数の和:53620

約数の個数: 32

約数和(自身を含む): 42624340992

約数和(自身を除く): 21623624634

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 911, 1822, 2733, 5466, 52631, 66503, 105262, 133006, 157893, 199509, 315786, 399018, 3842063, 7684126, 11526189, 23052378, 47946841, 95893682, 143840523, 287681046, 3500119393, 7000238786, 10500358179, 21000716358]

約数ペア:

[(1, 21000716358), (2, 10500358179), (3, 7000238786), (6, 3500119393), (73, 287681046), (146, 143840523), (219, 95893682), (438, 47946841), (911, 23052378), (1822, 11526189), (2733, 7684126), (5466, 3842063), (52631, 399018), (66503, 315786), (105262, 199509), (133006, 157893)]