21905760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1036

約数の個数: 96

約数和(自身を含む): 70543872

約数和(自身を除く): 48638112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 940, 971, 1128, 1410, 1504, 1880, 1942, 2256, 2820, 2913, 3760, 3884, 4512, 4855, 5640, 5826, 7520, 7768, 9710, 11280, 11652, 14565, 15536, 19420, 22560, 23304, 29130, 31072, 38840, 45637, 46608, 58260, 77680, 91274, 93216, 116520, 136911, 155360, 182548, 228185, 233040, 273822, 365096, 456370, 466080, 547644, 684555, 730192, 912740, 1095288, 1369110, 1460384, 1825480, 2190576, 2738220, 3650960, 4381152, 5476440, 7301920, 10952880, 21905760]

約数ペア:

[(1, 21905760), (2, 10952880), (3, 7301920), (4, 5476440), (5, 4381152), (6, 3650960), (8, 2738220), (10, 2190576), (12, 1825480), (15, 1460384), (16, 1369110), (20, 1095288), (24, 912740), (30, 730192), (32, 684555), (40, 547644), (47, 466080), (48, 456370), (60, 365096), (80, 273822), (94, 233040), (96, 228185), (120, 182548), (141, 155360), (160, 136911), (188, 116520), (235, 93216), (240, 91274), (282, 77680), (376, 58260), (470, 46608), (480, 45637), (564, 38840), (705, 31072), (752, 29130), (940, 23304), (971, 22560), (1128, 19420), (1410, 15536), (1504, 14565), (1880, 11652), (1942, 11280), (2256, 9710), (2820, 7768), (2913, 7520), (3760, 5826), (3884, 5640), (4512, 4855)]