21132952

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 42324480

約数和(自身を除く): 21191528

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2671, 3956, 5342, 7912, 10684, 21368, 61433, 114853, 122866, 229706, 245732, 459412, 491464, 918824, 2641619, 5283238, 10566476, 21132952]

約数ペア:

[(1, 21132952), (2, 10566476), (4, 5283238), (8, 2641619), (23, 918824), (43, 491464), (46, 459412), (86, 245732), (92, 229706), (172, 122866), (184, 114853), (344, 61433), (989, 21368), (1978, 10684), (2671, 7912), (3956, 5342)]