21786075732

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{79813}}^1$

素因数の和:79909

約数の個数: 72

約数和(自身を含む): 54376958944

約数和(自身を除く): 32590883212

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 529, 989, 1058, 1587, 1978, 2116, 2967, 3174, 3956, 5934, 6348, 11868, 22747, 45494, 68241, 79813, 90988, 136482, 159626, 239439, 272964, 319252, 478878, 957756, 1835699, 3431959, 3671398, 5507097, 6863918, 7342796, 10295877, 11014194, 13727836, 20591754, 22028388, 41183508, 42221077, 78935057, 84442154, 126663231, 157870114, 168884308, 236805171, 253326462, 315740228, 473610342, 506652924, 947220684, 1815506311, 3631012622, 5446518933, 7262025244, 10893037866, 21786075732]

約数ペア:

[(1, 21786075732), (2, 10893037866), (3, 7262025244), (4, 5446518933), (6, 3631012622), (12, 1815506311), (23, 947220684), (43, 506652924), (46, 473610342), (69, 315740228), (86, 253326462), (92, 236805171), (129, 168884308), (138, 157870114), (172, 126663231), (258, 84442154), (276, 78935057), (516, 42221077), (529, 41183508), (989, 22028388), (1058, 20591754), (1587, 13727836), (1978, 11014194), (2116, 10295877), (2967, 7342796), (3174, 6863918), (3956, 5507097), (5934, 3671398), (6348, 3431959), (11868, 1835699), (22747, 957756), (45494, 478878), (68241, 319252), (79813, 272964), (90988, 239439), (136482, 159626)]