21350256

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37146000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 83, 92, 138, 166, 184, 233, 249, 276, 332, 368, 466, 498, 552, 664, 699, 932, 996, 1104, 1328, 1398, 1864, 1909, 1992, 2796, 3728, 3818, 3984, 5359, 5592, 5727, 7636, 10718, 11184, 11454, 15272, 16077, 19339, 21436, 22908, 30544, 32154, 38678, 42872, 45816, 58017, 64308, 77356, 85744, 91632, 116034, 128616, 154712, 232068, 257232, 309424, 444797, 464136, 889594, 928272, 1334391, 1779188, 2668782, 3558376, 5337564, 7116752, 10675128, 21350256]

約数ペア:

[(1, 21350256), (2, 10675128), (3, 7116752), (4, 5337564), (6, 3558376), (8, 2668782), (12, 1779188), (16, 1334391), (23, 928272), (24, 889594), (46, 464136), (48, 444797), (69, 309424), (83, 257232), (92, 232068), (138, 154712), (166, 128616), (184, 116034), (233, 91632), (249, 85744), (276, 77356), (332, 64308), (368, 58017), (466, 45816), (498, 42872), (552, 38678), (664, 32154), (699, 30544), (932, 22908), (996, 21436), (1104, 19339), (1328, 16077), (1398, 15272), (1864, 11454), (1909, 11184), (1992, 10718), (2796, 7636), (3728, 5727), (3818, 5592), (3984, 5359)]