21506765976

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{1260359}}^1$

素因数の和:1260453

約数の個数: 64

約数和(自身を含む): 60497280000

約数和(自身を除く): 38990514024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 108, 158, 216, 237, 316, 474, 632, 711, 948, 1422, 1896, 2133, 2844, 4266, 5688, 8532, 17064, 1260359, 2520718, 3781077, 5041436, 7562154, 10082872, 11343231, 15124308, 22686462, 30248616, 34029693, 45372924, 68059386, 90745848, 99568361, 136118772, 199136722, 272237544, 298705083, 398273444, 597410166, 796546888, 896115249, 1194820332, 1792230498, 2389640664, 2688345747, 3584460996, 5376691494, 7168921992, 10753382988, 21506765976]

約数ペア:

[(1, 21506765976), (2, 10753382988), (3, 7168921992), (4, 5376691494), (6, 3584460996), (8, 2688345747), (9, 2389640664), (12, 1792230498), (18, 1194820332), (24, 896115249), (27, 796546888), (36, 597410166), (54, 398273444), (72, 298705083), (79, 272237544), (108, 199136722), (158, 136118772), (216, 99568361), (237, 90745848), (316, 68059386), (474, 45372924), (632, 34029693), (711, 30248616), (948, 22686462), (1422, 15124308), (1896, 11343231), (2133, 10082872), (2844, 7562154), (4266, 5041436), (5688, 3781077), (8532, 2520718), (17064, 1260359)]