21804216

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18541}}^1$

素因数の和:18564

約数の個数: 48

約数和(自身を含む): 63413640

約数和(自身を除く): 41609424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18541, 37082, 55623, 74164, 111246, 129787, 148328, 222492, 259574, 389361, 444984, 519148, 778722, 908509, 1038296, 1557444, 1817018, 2725527, 3114888, 3634036, 5451054, 7268072, 10902108, 21804216]

約数ペア:

[(1, 21804216), (2, 10902108), (3, 7268072), (4, 5451054), (6, 3634036), (7, 3114888), (8, 2725527), (12, 1817018), (14, 1557444), (21, 1038296), (24, 908509), (28, 778722), (42, 519148), (49, 444984), (56, 389361), (84, 259574), (98, 222492), (147, 148328), (168, 129787), (196, 111246), (294, 74164), (392, 55623), (588, 37082), (1176, 18541)]