21300180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 66286080

約数和(自身を除く): 44985900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 59, 60, 66, 110, 118, 132, 165, 177, 220, 236, 295, 330, 354, 547, 590, 649, 660, 708, 885, 1094, 1180, 1298, 1641, 1770, 1947, 2188, 2596, 2735, 3245, 3282, 3540, 3894, 5470, 6017, 6490, 6564, 7788, 8205, 9735, 10940, 12034, 12980, 16410, 18051, 19470, 24068, 30085, 32273, 32820, 36102, 38940, 60170, 64546, 72204, 90255, 96819, 120340, 129092, 161365, 180510, 193638, 322730, 355003, 361020, 387276, 484095, 645460, 710006, 968190, 1065009, 1420012, 1775015, 1936380, 2130018, 3550030, 4260036, 5325045, 7100060, 10650090, 21300180]

約数ペア:

[(1, 21300180), (2, 10650090), (3, 7100060), (4, 5325045), (5, 4260036), (6, 3550030), (10, 2130018), (11, 1936380), (12, 1775015), (15, 1420012), (20, 1065009), (22, 968190), (30, 710006), (33, 645460), (44, 484095), (55, 387276), (59, 361020), (60, 355003), (66, 322730), (110, 193638), (118, 180510), (132, 161365), (165, 129092), (177, 120340), (220, 96819), (236, 90255), (295, 72204), (330, 64546), (354, 60170), (547, 38940), (590, 36102), (649, 32820), (660, 32273), (708, 30085), (885, 24068), (1094, 19470), (1180, 18051), (1298, 16410), (1641, 12980), (1770, 12034), (1947, 10940), (2188, 9735), (2596, 8205), (2735, 7788), (3245, 6564), (3282, 6490), (3540, 6017), (3894, 5470)]