21185544

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 55800000

約数和(自身を除く): 34614456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 61, 87, 116, 122, 174, 183, 232, 244, 348, 366, 488, 499, 696, 732, 998, 1464, 1497, 1769, 1996, 2994, 3538, 3992, 5307, 5988, 7076, 10614, 11976, 14152, 14471, 21228, 28942, 30439, 42456, 43413, 57884, 60878, 86826, 91317, 115768, 121756, 173652, 182634, 243512, 347304, 365268, 730536, 882731, 1765462, 2648193, 3530924, 5296386, 7061848, 10592772, 21185544]

約数ペア:

[(1, 21185544), (2, 10592772), (3, 7061848), (4, 5296386), (6, 3530924), (8, 2648193), (12, 1765462), (24, 882731), (29, 730536), (58, 365268), (61, 347304), (87, 243512), (116, 182634), (122, 173652), (174, 121756), (183, 115768), (232, 91317), (244, 86826), (348, 60878), (366, 57884), (488, 43413), (499, 42456), (696, 30439), (732, 28942), (998, 21228), (1464, 14471), (1497, 14152), (1769, 11976), (1996, 10614), (2994, 7076), (3538, 5988), (3992, 5307)]