21752066

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 39840768

約数和(自身を除く): 18088702

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1571, 1978, 3142, 6923, 10997, 13846, 21994, 36133, 67553, 72266, 135106, 252931, 472871, 505862, 945742, 1553719, 3107438, 10876033, 21752066]

約数ペア:

[(1, 21752066), (2, 10876033), (7, 3107438), (14, 1553719), (23, 945742), (43, 505862), (46, 472871), (86, 252931), (161, 135106), (301, 72266), (322, 67553), (602, 36133), (989, 21994), (1571, 13846), (1978, 10997), (3142, 6923)]