21048714993

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{8831}}^1$

素因数の和:9177

約数の個数: 32

約数和(自身を含む): 29238865920

約数和(自身を除く): 8190150927

約数列:

[1, 3, 37, 109, 111, 197, 327, 591, 4033, 7289, 8831, 12099, 21473, 21867, 26493, 64419, 326747, 794501, 962579, 980241, 1739707, 2383503, 2887737, 5219121, 35615423, 64369159, 106846269, 189628063, 193107477, 568884189, 7016238331, 21048714993]

約数ペア:

[(1, 21048714993), (3, 7016238331), (37, 568884189), (109, 193107477), (111, 189628063), (197, 106846269), (327, 64369159), (591, 35615423), (4033, 5219121), (7289, 2887737), (8831, 2383503), (12099, 1739707), (21473, 980241), (21867, 962579), (26493, 794501), (64419, 326747)]