21291239656

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{461009}}^1$

素因数の和:461289

約数の個数: 32

約数和(自身を含む): 41822827200

約数和(自身を除く): 20531587544

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 251, 502, 1004, 2008, 5773, 11546, 23092, 46184, 461009, 922018, 1844036, 3688072, 10603207, 21206414, 42412828, 84825656, 115713259, 231426518, 462853036, 925706072, 2661404957, 5322809914, 10645619828, 21291239656]

約数ペア:

[(1, 21291239656), (2, 10645619828), (4, 5322809914), (8, 2661404957), (23, 925706072), (46, 462853036), (92, 231426518), (184, 115713259), (251, 84825656), (502, 42412828), (1004, 21206414), (2008, 10603207), (5773, 3688072), (11546, 1844036), (23092, 922018), (46184, 461009)]