2021948991

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{929}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 3133728000

約数和(自身を除く): 1111779009

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 269, 279, 807, 899, 929, 2421, 2697, 2787, 7801, 8091, 8339, 8361, 23403, 25017, 26941, 28799, 70209, 75051, 80823, 86397, 241831, 242469, 249901, 259191, 725493, 749703, 835171, 2176479, 2249109, 2505513, 7247129, 7516539, 7746931, 21741387, 23240793, 65224161, 69722379, 224660999, 673982997, 2021948991]

約数ペア:

[(1, 2021948991), (3, 673982997), (9, 224660999), (29, 69722379), (31, 65224161), (87, 23240793), (93, 21741387), (261, 7746931), (269, 7516539), (279, 7247129), (807, 2505513), (899, 2249109), (929, 2176479), (2421, 835171), (2697, 749703), (2787, 725493), (7801, 259191), (8091, 249901), (8339, 242469), (8361, 241831), (23403, 86397), (25017, 80823), (26941, 75051), (28799, 70209)]