21000421431

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1459}}^1\times {\mathrm{145391}}^1$

素因数の和:146867

約数の個数: 24

約数和(自身を含む): 33114481920

約数和(自身を除く): 12114060489

約数列:

[1, 3, 9, 11, 33, 99, 1459, 4377, 13131, 16049, 48147, 144441, 145391, 436173, 1308519, 1599301, 4797903, 14393709, 212125469, 636376407, 1909129221, 2333380159, 7000140477, 21000421431]

約数ペア:

[(1, 21000421431), (3, 7000140477), (9, 2333380159), (11, 1909129221), (33, 636376407), (99, 212125469), (1459, 14393709), (4377, 4797903), (13131, 1599301), (16049, 1308519), (48147, 436173), (144441, 145391)]