21000944846

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1\times {\mathrm{33071}}^1$

素因数の和:33824

約数の個数: 32

約数和(自身を含む): 36594035712

約数和(自身を除く): 15593090866

約数列:

[1, 2, 7, 14, 67, 134, 469, 677, 938, 1354, 4739, 9478, 33071, 45359, 66142, 90718, 231497, 317513, 462994, 635026, 2215757, 4431514, 15510299, 22389067, 31020598, 44778134, 156723469, 313446938, 1500067489, 3000134978, 10500472423, 21000944846]

約数ペア:

[(1, 21000944846), (2, 10500472423), (7, 3000134978), (14, 1500067489), (67, 313446938), (134, 156723469), (469, 44778134), (677, 31020598), (938, 22389067), (1354, 15510299), (4739, 4431514), (9478, 2215757), (33071, 635026), (45359, 462994), (66142, 317513), (90718, 231497)]