21867848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6991}}^1$

素因数の和:7037

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 23440312

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6991, 13982, 27964, 55928, 118847, 160793, 237694, 321586, 475388, 643172, 950776, 1286344, 2733481, 5466962, 10933924, 21867848]

約数ペア:

[(1, 21867848), (2, 10933924), (4, 5466962), (8, 2733481), (17, 1286344), (23, 950776), (34, 643172), (46, 475388), (68, 321586), (92, 237694), (136, 160793), (184, 118847), (391, 55928), (782, 27964), (1564, 13982), (3128, 6991)]