21970641567

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1\times {\mathrm{23509}}^1$

素因数の和:23943

約数の個数: 32

約数和(自身を含む): 33800232960

約数和(自身を除く): 11829591393

約数列:

[1, 3, 7, 21, 191, 233, 573, 699, 1337, 1631, 4011, 4893, 23509, 44503, 70527, 133509, 164563, 311521, 493689, 934563, 4490219, 5477597, 13470657, 16432791, 31431533, 38343179, 94294599, 115029537, 1046221027, 3138663081, 7323547189, 21970641567]

約数ペア:

[(1, 21970641567), (3, 7323547189), (7, 3138663081), (21, 1046221027), (191, 115029537), (233, 94294599), (573, 38343179), (699, 31431533), (1337, 16432791), (1631, 13470657), (4011, 5477597), (4893, 4490219), (23509, 934563), (44503, 493689), (70527, 311521), (133509, 164563)]