21787992

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41111208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 59, 69, 72, 92, 118, 138, 177, 184, 207, 223, 236, 276, 354, 414, 446, 472, 531, 552, 669, 708, 828, 892, 1062, 1338, 1357, 1416, 1656, 1784, 2007, 2124, 2676, 2714, 4014, 4071, 4248, 5129, 5352, 5428, 8028, 8142, 10258, 10856, 12213, 13157, 15387, 16056, 16284, 20516, 24426, 26314, 30774, 32568, 39471, 41032, 46161, 48852, 52628, 61548, 78942, 92322, 97704, 105256, 118413, 123096, 157884, 184644, 236826, 302611, 315768, 369288, 473652, 605222, 907833, 947304, 1210444, 1815666, 2420888, 2723499, 3631332, 5446998, 7262664, 10893996, 21787992]

約数ペア:

[(1, 21787992), (2, 10893996), (3, 7262664), (4, 5446998), (6, 3631332), (8, 2723499), (9, 2420888), (12, 1815666), (18, 1210444), (23, 947304), (24, 907833), (36, 605222), (46, 473652), (59, 369288), (69, 315768), (72, 302611), (92, 236826), (118, 184644), (138, 157884), (177, 123096), (184, 118413), (207, 105256), (223, 97704), (236, 92322), (276, 78942), (354, 61548), (414, 52628), (446, 48852), (472, 46161), (531, 41032), (552, 39471), (669, 32568), (708, 30774), (828, 26314), (892, 24426), (1062, 20516), (1338, 16284), (1357, 16056), (1416, 15387), (1656, 13157), (1784, 12213), (2007, 10856), (2124, 10258), (2676, 8142), (2714, 8028), (4014, 5428), (4071, 5352), (4248, 5129)]