21083730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 54466560

約数和(自身を除く): 33382830

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 787, 893, 1410, 1574, 1786, 2361, 2679, 3935, 4465, 4722, 5358, 7870, 8930, 11805, 13395, 14953, 23610, 26790, 29906, 36989, 44859, 73978, 74765, 89718, 110967, 149530, 184945, 221934, 224295, 369890, 448590, 554835, 702791, 1109670, 1405582, 2108373, 3513955, 4216746, 7027910, 10541865, 21083730]

約数ペア:

[(1, 21083730), (2, 10541865), (3, 7027910), (5, 4216746), (6, 3513955), (10, 2108373), (15, 1405582), (19, 1109670), (30, 702791), (38, 554835), (47, 448590), (57, 369890), (94, 224295), (95, 221934), (114, 184945), (141, 149530), (190, 110967), (235, 89718), (282, 74765), (285, 73978), (470, 44859), (570, 36989), (705, 29906), (787, 26790), (893, 23610), (1410, 14953), (1574, 13395), (1786, 11805), (2361, 8930), (2679, 7870), (3935, 5358), (4465, 4722)]