21946716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 61077744

約数和(自身を除く): 39131028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 353, 396, 471, 628, 706, 942, 1059, 1412, 1413, 1727, 1884, 2118, 2826, 3177, 3454, 3883, 4236, 5181, 5652, 6354, 6908, 7766, 10362, 11649, 12708, 15532, 15543, 20724, 23298, 31086, 34947, 46596, 55421, 62172, 69894, 110842, 139788, 166263, 221684, 332526, 498789, 609631, 665052, 997578, 1219262, 1828893, 1995156, 2438524, 3657786, 5486679, 7315572, 10973358, 21946716]

約数ペア:

[(1, 21946716), (2, 10973358), (3, 7315572), (4, 5486679), (6, 3657786), (9, 2438524), (11, 1995156), (12, 1828893), (18, 1219262), (22, 997578), (33, 665052), (36, 609631), (44, 498789), (66, 332526), (99, 221684), (132, 166263), (157, 139788), (198, 110842), (314, 69894), (353, 62172), (396, 55421), (471, 46596), (628, 34947), (706, 31086), (942, 23298), (1059, 20724), (1412, 15543), (1413, 15532), (1727, 12708), (1884, 11649), (2118, 10362), (2826, 7766), (3177, 6908), (3454, 6354), (3883, 5652), (4236, 5181)]