21839748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8432

約数の個数: 48

約数和(自身を含む): 60125184

約数和(自身を除く): 38285436

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, 8387, 16774, 25161, 33548, 50322, 58709, 100644, 117418, 176127, 234836, 259997, 352254, 519994, 704508, 779991, 1039988, 1559982, 1819979, 3119964, 3639958, 5459937, 7279916, 10919874, 21839748]

約数ペア:

[(1, 21839748), (2, 10919874), (3, 7279916), (4, 5459937), (6, 3639958), (7, 3119964), (12, 1819979), (14, 1559982), (21, 1039988), (28, 779991), (31, 704508), (42, 519994), (62, 352254), (84, 259997), (93, 234836), (124, 176127), (186, 117418), (217, 100644), (372, 58709), (434, 50322), (651, 33548), (868, 25161), (1302, 16774), (2604, 8387)]