21906856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1777}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 43525440

約数和(自身を除く): 21618584

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 1777, 3082, 3554, 6164, 7108, 12328, 14216, 40871, 81742, 119059, 163484, 238118, 326968, 476236, 952472, 2738357, 5476714, 10953428, 21906856]

約数ペア:

[(1, 21906856), (2, 10953428), (4, 5476714), (8, 2738357), (23, 952472), (46, 476236), (67, 326968), (92, 238118), (134, 163484), (184, 119059), (268, 81742), (536, 40871), (1541, 14216), (1777, 12328), (3082, 7108), (3554, 6164)]