21707079678

素因数分解:

$2^1\times 3^5\times {\mathrm{157}}^1\times {\mathrm{284489}}^1$

素因数の和:284663

約数の個数: 48

約数和(自身を含む): 49084766640

約数和(自身を除く): 27377686962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 243, 314, 471, 486, 942, 1413, 2826, 4239, 8478, 12717, 25434, 38151, 76302, 284489, 568978, 853467, 1706934, 2560401, 5120802, 7681203, 15362406, 23043609, 44664773, 46087218, 69130827, 89329546, 133994319, 138261654, 267988638, 401982957, 803965914, 1205948871, 2411897742, 3617846613, 7235693226, 10853539839, 21707079678]

約数ペア:

[(1, 21707079678), (2, 10853539839), (3, 7235693226), (6, 3617846613), (9, 2411897742), (18, 1205948871), (27, 803965914), (54, 401982957), (81, 267988638), (157, 138261654), (162, 133994319), (243, 89329546), (314, 69130827), (471, 46087218), (486, 44664773), (942, 23043609), (1413, 15362406), (2826, 7681203), (4239, 5120802), (8478, 2560401), (12717, 1706934), (25434, 853467), (38151, 568978), (76302, 284489)]