21097992

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 56580480

約数和(自身を除く): 35482488

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 1033, 1702, 2066, 2553, 3099, 3404, 4132, 5106, 6198, 6808, 8264, 10212, 12396, 20424, 23759, 24792, 38221, 47518, 71277, 76442, 95036, 114663, 142554, 152884, 190072, 229326, 285108, 305768, 458652, 570216, 879083, 917304, 1758166, 2637249, 3516332, 5274498, 7032664, 10548996, 21097992]

約数ペア:

[(1, 21097992), (2, 10548996), (3, 7032664), (4, 5274498), (6, 3516332), (8, 2637249), (12, 1758166), (23, 917304), (24, 879083), (37, 570216), (46, 458652), (69, 305768), (74, 285108), (92, 229326), (111, 190072), (138, 152884), (148, 142554), (184, 114663), (222, 95036), (276, 76442), (296, 71277), (444, 47518), (552, 38221), (851, 24792), (888, 23759), (1033, 20424), (1702, 12396), (2066, 10212), (2553, 8264), (3099, 6808), (3404, 6198), (4132, 5106)]