21899294820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{128201}}^1$

素因数の和:128302

約数の個数: 144

約数和(自身を含む): 72518230512

約数和(自身を除く): 50618935692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 390, 438, 468, 585, 657, 730, 780, 876, 949, 1095, 1170, 1314, 1460, 1898, 2190, 2340, 2628, 2847, 3285, 3796, 4380, 4745, 5694, 6570, 8541, 9490, 11388, 13140, 14235, 17082, 18980, 28470, 34164, 42705, 56940, 85410, 128201, 170820, 256402, 384603, 512804, 641005, 769206, 1153809, 1282010, 1538412, 1666613, 1923015, 2307618, 2564020, 3333226, 3846030, 4615236, 4999839, 5769045, 6666452, 7692060, 8333065, 9358673, 9999678, 11538090, 14999517, 16666130, 18717346, 19999356, 23076180, 24999195, 28076019, 29999034, 33332260, 37434692, 46793365, 49998390, 56152038, 59998068, 74997585, 84228057, 93586730, 99996780, 112304076, 121662749, 140380095, 149995170, 168456114, 187173460, 243325498, 280760190, 299990340, 336912228, 364988247, 421140285, 486650996, 561520380, 608313745, 729976494, 842280570, 1094964741, 1216627490, 1459952988, 1684561140, 1824941235, 2189929482, 2433254980, 3649882470, 4379858964, 5474823705, 7299764940, 10949647410, 21899294820]

約数ペア:

[(1, 21899294820), (2, 10949647410), (3, 7299764940), (4, 5474823705), (5, 4379858964), (6, 3649882470), (9, 2433254980), (10, 2189929482), (12, 1824941235), (13, 1684561140), (15, 1459952988), (18, 1216627490), (20, 1094964741), (26, 842280570), (30, 729976494), (36, 608313745), (39, 561520380), (45, 486650996), (52, 421140285), (60, 364988247), (65, 336912228), (73, 299990340), (78, 280760190), (90, 243325498), (117, 187173460), (130, 168456114), (146, 149995170), (156, 140380095), (180, 121662749), (195, 112304076), (219, 99996780), (234, 93586730), (260, 84228057), (292, 74997585), (365, 59998068), (390, 56152038), (438, 49998390), (468, 46793365), (585, 37434692), (657, 33332260), (730, 29999034), (780, 28076019), (876, 24999195), (949, 23076180), (1095, 19999356), (1170, 18717346), (1314, 16666130), (1460, 14999517), (1898, 11538090), (2190, 9999678), (2340, 9358673), (2628, 8333065), (2847, 7692060), (3285, 6666452), (3796, 5769045), (4380, 4999839), (4745, 4615236), (5694, 3846030), (6570, 3333226), (8541, 2564020), (9490, 2307618), (11388, 1923015), (13140, 1666613), (14235, 1538412), (17082, 1282010), (18980, 1153809), (28470, 769206), (34164, 641005), (42705, 512804), (56940, 384603), (85410, 256402), (128201, 170820)]