2171844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 5957952

約数和(自身を除く): 3786108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 61, 69, 86, 92, 122, 129, 138, 172, 183, 207, 244, 258, 276, 366, 387, 414, 516, 549, 732, 774, 828, 989, 1098, 1403, 1548, 1978, 2196, 2623, 2806, 2967, 3956, 4209, 5246, 5612, 5934, 7869, 8418, 8901, 10492, 11868, 12627, 15738, 16836, 17802, 23607, 25254, 31476, 35604, 47214, 50508, 60329, 94428, 120658, 180987, 241316, 361974, 542961, 723948, 1085922, 2171844]

約数ペア:

[(1, 2171844), (2, 1085922), (3, 723948), (4, 542961), (6, 361974), (9, 241316), (12, 180987), (18, 120658), (23, 94428), (36, 60329), (43, 50508), (46, 47214), (61, 35604), (69, 31476), (86, 25254), (92, 23607), (122, 17802), (129, 16836), (138, 15738), (172, 12627), (183, 11868), (207, 10492), (244, 8901), (258, 8418), (276, 7869), (366, 5934), (387, 5612), (414, 5246), (516, 4209), (549, 3956), (732, 2967), (774, 2806), (828, 2623), (989, 2196), (1098, 1978), (1403, 1548)]