21636376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6963

約数の個数: 32

約数和(自身を含む): 44828640

約数和(自身を除く): 23192264

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6917, 13834, 27668, 55336, 117589, 159091, 235178, 318182, 470356, 636364, 940712, 1272728, 2704547, 5409094, 10818188, 21636376]

約数ペア:

[(1, 21636376), (2, 10818188), (4, 5409094), (8, 2704547), (17, 1272728), (23, 940712), (34, 636364), (46, 470356), (68, 318182), (92, 235178), (136, 159091), (184, 117589), (391, 55336), (782, 27668), (1564, 13834), (3128, 6917)]