21468330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39858390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 59, 65, 78, 90, 117, 118, 130, 177, 195, 234, 295, 311, 354, 390, 531, 585, 590, 622, 767, 885, 933, 1062, 1170, 1534, 1555, 1770, 1866, 2301, 2655, 2799, 3110, 3835, 4043, 4602, 4665, 5310, 5598, 6903, 7670, 8086, 9330, 11505, 12129, 13806, 13995, 18349, 20215, 23010, 24258, 27990, 34515, 36387, 36698, 40430, 55047, 60645, 69030, 72774, 91745, 110094, 121290, 165141, 181935, 183490, 238537, 275235, 330282, 363870, 477074, 550470, 715611, 825705, 1192685, 1431222, 1651410, 2146833, 2385370, 3578055, 4293666, 7156110, 10734165, 21468330]

約数ペア:

[(1, 21468330), (2, 10734165), (3, 7156110), (5, 4293666), (6, 3578055), (9, 2385370), (10, 2146833), (13, 1651410), (15, 1431222), (18, 1192685), (26, 825705), (30, 715611), (39, 550470), (45, 477074), (59, 363870), (65, 330282), (78, 275235), (90, 238537), (117, 183490), (118, 181935), (130, 165141), (177, 121290), (195, 110094), (234, 91745), (295, 72774), (311, 69030), (354, 60645), (390, 55047), (531, 40430), (585, 36698), (590, 36387), (622, 34515), (767, 27990), (885, 24258), (933, 23010), (1062, 20215), (1170, 18349), (1534, 13995), (1555, 13806), (1770, 12129), (1866, 11505), (2301, 9330), (2655, 8086), (2799, 7670), (3110, 6903), (3835, 5598), (4043, 5310), (4602, 4665)]