21251244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8206

約数の個数: 48

約数和(自身を含む): 58505216

約数和(自身を除く): 37253972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8161, 16322, 24483, 32644, 48966, 57127, 97932, 114254, 171381, 228508, 252991, 342762, 505982, 685524, 758973, 1011964, 1517946, 1770937, 3035892, 3541874, 5312811, 7083748, 10625622, 21251244]

約数ペア:

[(1, 21251244), (2, 10625622), (3, 7083748), (4, 5312811), (6, 3541874), (7, 3035892), (12, 1770937), (14, 1517946), (21, 1011964), (28, 758973), (31, 685524), (42, 505982), (62, 342762), (84, 252991), (93, 228508), (124, 171381), (186, 114254), (217, 97932), (372, 57127), (434, 48966), (651, 32644), (868, 24483), (1302, 16322), (2604, 8161)]