21376476

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2391

約数の個数: 72

約数和(自身を含む): 61536384

約数和(自身を除く): 40159908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2347, 3036, 4554, 4694, 7041, 9108, 9388, 14082, 21123, 25817, 28164, 42246, 51634, 53981, 77451, 84492, 103268, 107962, 154902, 161943, 215924, 232353, 309804, 323886, 464706, 485829, 593791, 647772, 929412, 971658, 1187582, 1781373, 1943316, 2375164, 3562746, 5344119, 7125492, 10688238, 21376476]

約数ペア:

[(1, 21376476), (2, 10688238), (3, 7125492), (4, 5344119), (6, 3562746), (9, 2375164), (11, 1943316), (12, 1781373), (18, 1187582), (22, 971658), (23, 929412), (33, 647772), (36, 593791), (44, 485829), (46, 464706), (66, 323886), (69, 309804), (92, 232353), (99, 215924), (132, 161943), (138, 154902), (198, 107962), (207, 103268), (253, 84492), (276, 77451), (396, 53981), (414, 51634), (506, 42246), (759, 28164), (828, 25817), (1012, 21123), (1518, 14082), (2277, 9388), (2347, 9108), (3036, 7041), (4554, 4694)]