21591848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21651352

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2729, 3956, 5458, 7912, 10916, 21832, 62767, 117347, 125534, 234694, 251068, 469388, 502136, 938776, 2698981, 5397962, 10795924, 21591848]

約数ペア:

[(1, 21591848), (2, 10795924), (4, 5397962), (8, 2698981), (23, 938776), (43, 502136), (46, 469388), (86, 251068), (92, 234694), (172, 125534), (184, 117347), (344, 62767), (989, 21832), (1978, 10916), (2729, 7912), (3956, 5458)]