21109491650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{792101}}^1$

素因数の和:792167

約数の個数: 48

約数和(自身を含む): 43315305768

約数和(自身を除く): 22205814118

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 1025, 1066, 2050, 2665, 5330, 13325, 26650, 792101, 1584202, 3960505, 7921010, 10297313, 19802525, 20594626, 32476141, 39605050, 51486565, 64952282, 102973130, 162380705, 257432825, 324761410, 422189833, 514865650, 811903525, 844379666, 1623807050, 2110949165, 4221898330, 10554745825, 21109491650]

約数ペア:

[(1, 21109491650), (2, 10554745825), (5, 4221898330), (10, 2110949165), (13, 1623807050), (25, 844379666), (26, 811903525), (41, 514865650), (50, 422189833), (65, 324761410), (82, 257432825), (130, 162380705), (205, 102973130), (325, 64952282), (410, 51486565), (533, 39605050), (650, 32476141), (1025, 20594626), (1066, 19802525), (2050, 10297313), (2665, 7921010), (5330, 3960505), (13325, 1584202), (26650, 792101)]