21765852

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3851}}^1$

素因数の和:4018

約数の個数: 36

約数和(自身を含む): 55384056

約数和(自身を除く): 33618204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3851, 5652, 7702, 11553, 15404, 23106, 34659, 46212, 69318, 138636, 604607, 1209214, 1813821, 2418428, 3627642, 5441463, 7255284, 10882926, 21765852]

約数ペア:

[(1, 21765852), (2, 10882926), (3, 7255284), (4, 5441463), (6, 3627642), (9, 2418428), (12, 1813821), (18, 1209214), (36, 604607), (157, 138636), (314, 69318), (471, 46212), (628, 34659), (942, 23106), (1413, 15404), (1884, 11553), (2826, 7702), (3851, 5652)]