21200860320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1424789}}^1$

素因数の和:1424838

約数の個数: 96

約数和(自身を含む): 68937039360

約数和(自身を除く): 47736179040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 1424789, 2849578, 4274367, 5699156, 7123945, 8548734, 11398312, 14247890, 17097468, 21371835, 22796624, 28495780, 34194936, 42743670, 44168459, 45593248, 56991560, 68389872, 85487340, 88336918, 113983120, 132505377, 136779744, 170974680, 176673836, 220842295, 227966240, 265010754, 341949360, 353347672, 441684590, 530021508, 662526885, 683898720, 706695344, 883369180, 1060043016, 1325053770, 1413390688, 1766738360, 2120086032, 2650107540, 3533476720, 4240172064, 5300215080, 7066953440, 10600430160, 21200860320]

約数ペア:

[(1, 21200860320), (2, 10600430160), (3, 7066953440), (4, 5300215080), (5, 4240172064), (6, 3533476720), (8, 2650107540), (10, 2120086032), (12, 1766738360), (15, 1413390688), (16, 1325053770), (20, 1060043016), (24, 883369180), (30, 706695344), (31, 683898720), (32, 662526885), (40, 530021508), (48, 441684590), (60, 353347672), (62, 341949360), (80, 265010754), (93, 227966240), (96, 220842295), (120, 176673836), (124, 170974680), (155, 136779744), (160, 132505377), (186, 113983120), (240, 88336918), (248, 85487340), (310, 68389872), (372, 56991560), (465, 45593248), (480, 44168459), (496, 42743670), (620, 34194936), (744, 28495780), (930, 22796624), (992, 21371835), (1240, 17097468), (1488, 14247890), (1860, 11398312), (2480, 8548734), (2976, 7123945), (3720, 5699156), (4960, 4274367), (7440, 2849578), (14880, 1424789)]