21262698

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{7247}}^1$

素因数の和:7418

約数の個数: 24

約数和(自身を含む): 46358208

約数和(自身を除く): 25095510

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 7247, 14494, 21741, 43482, 65223, 130446, 1181261, 2362522, 3543783, 7087566, 10631349, 21262698]

約数ペア:

[(1, 21262698), (2, 10631349), (3, 7087566), (6, 3543783), (9, 2362522), (18, 1181261), (163, 130446), (326, 65223), (489, 43482), (978, 21741), (1467, 14494), (2934, 7247)]