21060960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 73483200

約数和(自身を除く): 52422240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 32, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 89, 96, 102, 116, 120, 136, 145, 160, 170, 174, 178, 204, 232, 240, 255, 267, 272, 290, 340, 348, 356, 408, 435, 445, 464, 480, 493, 510, 534, 544, 580, 680, 696, 712, 816, 870, 890, 928, 986, 1020, 1068, 1160, 1335, 1360, 1392, 1424, 1479, 1513, 1632, 1740, 1780, 1972, 2040, 2136, 2320, 2465, 2581, 2670, 2720, 2784, 2848, 2958, 3026, 3480, 3560, 3944, 4080, 4272, 4539, 4640, 4930, 5162, 5340, 5916, 6052, 6960, 7120, 7395, 7565, 7743, 7888, 8160, 8544, 9078, 9860, 10324, 10680, 11832, 12104, 12905, 13920, 14240, 14790, 15130, 15486, 15776, 18156, 19720, 20648, 21360, 22695, 23664, 24208, 25810, 29580, 30260, 30972, 36312, 38715, 39440, 41296, 42720, 43877, 45390, 47328, 48416, 51620, 59160, 60520, 61944, 72624, 77430, 78880, 82592, 87754, 90780, 103240, 118320, 121040, 123888, 131631, 145248, 154860, 175508, 181560, 206480, 219385, 236640, 242080, 247776, 263262, 309720, 351016, 363120, 412960, 438770, 526524, 619440, 658155, 702032, 726240, 877540, 1053048, 1238880, 1316310, 1404064, 1755080, 2106096, 2632620, 3510160, 4212192, 5265240, 7020320, 10530480, 21060960]

約数ペア:

[(1, 21060960), (2, 10530480), (3, 7020320), (4, 5265240), (5, 4212192), (6, 3510160), (8, 2632620), (10, 2106096), (12, 1755080), (15, 1404064), (16, 1316310), (17, 1238880), (20, 1053048), (24, 877540), (29, 726240), (30, 702032), (32, 658155), (34, 619440), (40, 526524), (48, 438770), (51, 412960), (58, 363120), (60, 351016), (68, 309720), (80, 263262), (85, 247776), (87, 242080), (89, 236640), (96, 219385), (102, 206480), (116, 181560), (120, 175508), (136, 154860), (145, 145248), (160, 131631), (170, 123888), (174, 121040), (178, 118320), (204, 103240), (232, 90780), (240, 87754), (255, 82592), (267, 78880), (272, 77430), (290, 72624), (340, 61944), (348, 60520), (356, 59160), (408, 51620), (435, 48416), (445, 47328), (464, 45390), (480, 43877), (493, 42720), (510, 41296), (534, 39440), (544, 38715), (580, 36312), (680, 30972), (696, 30260), (712, 29580), (816, 25810), (870, 24208), (890, 23664), (928, 22695), (986, 21360), (1020, 20648), (1068, 19720), (1160, 18156), (1335, 15776), (1360, 15486), (1392, 15130), (1424, 14790), (1479, 14240), (1513, 13920), (1632, 12905), (1740, 12104), (1780, 11832), (1972, 10680), (2040, 10324), (2136, 9860), (2320, 9078), (2465, 8544), (2581, 8160), (2670, 7888), (2720, 7743), (2784, 7565), (2848, 7395), (2958, 7120), (3026, 6960), (3480, 6052), (3560, 5916), (3944, 5340), (4080, 5162), (4272, 4930), (4539, 4640)]