21398304

素因数分解:

$2^5\times 3^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1777

約数の個数: 48

約数和(自身を含む): 56615328

約数和(自身を除く): 35217024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 137, 274, 411, 548, 822, 1096, 1627, 1644, 2192, 3254, 3288, 4384, 4881, 6508, 6576, 9762, 13016, 13152, 19524, 26032, 39048, 52064, 78096, 156192, 222899, 445798, 668697, 891596, 1337394, 1783192, 2674788, 3566384, 5349576, 7132768, 10699152, 21398304]

約数ペア:

[(1, 21398304), (2, 10699152), (3, 7132768), (4, 5349576), (6, 3566384), (8, 2674788), (12, 1783192), (16, 1337394), (24, 891596), (32, 668697), (48, 445798), (96, 222899), (137, 156192), (274, 78096), (411, 52064), (548, 39048), (822, 26032), (1096, 19524), (1627, 13152), (1644, 13016), (2192, 9762), (3254, 6576), (3288, 6508), (4384, 4881)]