21829000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 30062840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 263, 332, 415, 500, 526, 664, 830, 1000, 1052, 1315, 1660, 2075, 2104, 2630, 3320, 4150, 5260, 6575, 8300, 10375, 10520, 13150, 16600, 20750, 21829, 26300, 32875, 41500, 43658, 52600, 65750, 83000, 87316, 109145, 131500, 174632, 218290, 263000, 436580, 545725, 873160, 1091450, 2182900, 2728625, 4365800, 5457250, 10914500, 21829000]

約数ペア:

[(1, 21829000), (2, 10914500), (4, 5457250), (5, 4365800), (8, 2728625), (10, 2182900), (20, 1091450), (25, 873160), (40, 545725), (50, 436580), (83, 263000), (100, 218290), (125, 174632), (166, 131500), (200, 109145), (250, 87316), (263, 83000), (332, 65750), (415, 52600), (500, 43658), (526, 41500), (664, 32875), (830, 26300), (1000, 21829), (1052, 20750), (1315, 16600), (1660, 13150), (2075, 10520), (2104, 10375), (2630, 8300), (3320, 6575), (4150, 5260)]