21994560

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1091}}^1$

素因数の和:1121

約数の個数: 168

約数和(自身を含む): 86538816

約数和(自身を除く): 64544256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1091, 1120, 1260, 1344, 1440, 1680, 2016, 2182, 2240, 2520, 2880, 3273, 3360, 4032, 4364, 5040, 5455, 6546, 6720, 7637, 8728, 9819, 10080, 10910, 13092, 15274, 16365, 17456, 19638, 20160, 21820, 22911, 26184, 30548, 32730, 34912, 38185, 39276, 43640, 45822, 49095, 52368, 61096, 65460, 68733, 69824, 76370, 78552, 87280, 91644, 98190, 104736, 114555, 122192, 130920, 137466, 152740, 157104, 174560, 183288, 196380, 209472, 229110, 244384, 261840, 274932, 305480, 314208, 343665, 349120, 366576, 392760, 458220, 488768, 523680, 549864, 610960, 628416, 687330, 733152, 785520, 916440, 1047360, 1099728, 1221920, 1374660, 1466304, 1571040, 1832880, 2199456, 2443840, 2749320, 3142080, 3665760, 4398912, 5498640, 7331520, 10997280, 21994560]

約数ペア:

[(1, 21994560), (2, 10997280), (3, 7331520), (4, 5498640), (5, 4398912), (6, 3665760), (7, 3142080), (8, 2749320), (9, 2443840), (10, 2199456), (12, 1832880), (14, 1571040), (15, 1466304), (16, 1374660), (18, 1221920), (20, 1099728), (21, 1047360), (24, 916440), (28, 785520), (30, 733152), (32, 687330), (35, 628416), (36, 610960), (40, 549864), (42, 523680), (45, 488768), (48, 458220), (56, 392760), (60, 366576), (63, 349120), (64, 343665), (70, 314208), (72, 305480), (80, 274932), (84, 261840), (90, 244384), (96, 229110), (105, 209472), (112, 196380), (120, 183288), (126, 174560), (140, 157104), (144, 152740), (160, 137466), (168, 130920), (180, 122192), (192, 114555), (210, 104736), (224, 98190), (240, 91644), (252, 87280), (280, 78552), (288, 76370), (315, 69824), (320, 68733), (336, 65460), (360, 61096), (420, 52368), (448, 49095), (480, 45822), (504, 43640), (560, 39276), (576, 38185), (630, 34912), (672, 32730), (720, 30548), (840, 26184), (960, 22911), (1008, 21820), (1091, 20160), (1120, 19638), (1260, 17456), (1344, 16365), (1440, 15274), (1680, 13092), (2016, 10910), (2182, 10080), (2240, 9819), (2520, 8728), (2880, 7637), (3273, 6720), (3360, 6546), (4032, 5455), (4364, 5040)]