21859620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 67132800

約数和(自身を除く): 45273180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 739, 870, 986, 1020, 1478, 1479, 1740, 1972, 2217, 2465, 2956, 2958, 3695, 4434, 4930, 5916, 7390, 7395, 8868, 9860, 11085, 12563, 14780, 14790, 21431, 22170, 25126, 29580, 37689, 42862, 44340, 50252, 62815, 64293, 75378, 85724, 107155, 125630, 128586, 150756, 188445, 214310, 251260, 257172, 321465, 364327, 376890, 428620, 642930, 728654, 753780, 1092981, 1285860, 1457308, 1821635, 2185962, 3643270, 4371924, 5464905, 7286540, 10929810, 21859620]

約数ペア:

[(1, 21859620), (2, 10929810), (3, 7286540), (4, 5464905), (5, 4371924), (6, 3643270), (10, 2185962), (12, 1821635), (15, 1457308), (17, 1285860), (20, 1092981), (29, 753780), (30, 728654), (34, 642930), (51, 428620), (58, 376890), (60, 364327), (68, 321465), (85, 257172), (87, 251260), (102, 214310), (116, 188445), (145, 150756), (170, 128586), (174, 125630), (204, 107155), (255, 85724), (290, 75378), (340, 64293), (348, 62815), (435, 50252), (493, 44340), (510, 42862), (580, 37689), (739, 29580), (870, 25126), (986, 22170), (1020, 21431), (1478, 14790), (1479, 14780), (1740, 12563), (1972, 11085), (2217, 9860), (2465, 8868), (2956, 7395), (2958, 7390), (3695, 5916), (4434, 4930)]