21499669320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{41579}}^1$

素因数の和:41763

約数の個数: 128

約数和(自身を含む): 67060224000

約数和(自身を除く): 45560554680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 278, 310, 372, 417, 465, 556, 620, 695, 744, 834, 930, 1112, 1240, 1390, 1668, 1860, 2085, 2780, 3336, 3720, 4170, 4309, 5560, 8340, 8618, 12927, 16680, 17236, 21545, 25854, 34472, 41579, 43090, 51708, 64635, 83158, 86180, 103416, 124737, 129270, 166316, 172360, 207895, 249474, 258540, 332632, 415790, 498948, 517080, 623685, 831580, 997896, 1247370, 1288949, 1663160, 2494740, 2577898, 3866847, 4989480, 5155796, 5779481, 6444745, 7733694, 10311592, 11558962, 12889490, 15467388, 17338443, 19334235, 23117924, 25778980, 28897405, 30934776, 34676886, 38668470, 46235848, 51557960, 57794810, 69353772, 77336940, 86692215, 115589620, 138707544, 154673880, 173384430, 179163911, 231179240, 346768860, 358327822, 537491733, 693537720, 716655644, 895819555, 1074983466, 1433311288, 1791639110, 2149966932, 2687458665, 3583278220, 4299933864, 5374917330, 7166556440, 10749834660, 21499669320]

約数ペア:

[(1, 21499669320), (2, 10749834660), (3, 7166556440), (4, 5374917330), (5, 4299933864), (6, 3583278220), (8, 2687458665), (10, 2149966932), (12, 1791639110), (15, 1433311288), (20, 1074983466), (24, 895819555), (30, 716655644), (31, 693537720), (40, 537491733), (60, 358327822), (62, 346768860), (93, 231179240), (120, 179163911), (124, 173384430), (139, 154673880), (155, 138707544), (186, 115589620), (248, 86692215), (278, 77336940), (310, 69353772), (372, 57794810), (417, 51557960), (465, 46235848), (556, 38668470), (620, 34676886), (695, 30934776), (744, 28897405), (834, 25778980), (930, 23117924), (1112, 19334235), (1240, 17338443), (1390, 15467388), (1668, 12889490), (1860, 11558962), (2085, 10311592), (2780, 7733694), (3336, 6444745), (3720, 5779481), (4170, 5155796), (4309, 4989480), (5560, 3866847), (8340, 2577898), (8618, 2494740), (12927, 1663160), (16680, 1288949), (17236, 1247370), (21545, 997896), (25854, 831580), (34472, 623685), (41579, 517080), (43090, 498948), (51708, 415790), (64635, 332632), (83158, 258540), (86180, 249474), (103416, 207895), (124737, 172360), (129270, 166316)]