21016346320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1269

約数の個数: 160

約数和(自身を含む): 51716725632

約数和(自身を除く): 30700379312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 163, 172, 185, 215, 296, 326, 344, 370, 430, 592, 652, 688, 740, 815, 860, 1013, 1304, 1480, 1591, 1630, 1720, 2026, 2608, 2960, 3182, 3260, 3440, 4052, 5065, 6031, 6364, 6520, 7009, 7955, 8104, 10130, 12062, 12728, 13040, 14018, 15910, 16208, 20260, 24124, 25456, 28036, 30155, 31820, 35045, 37481, 40520, 43559, 48248, 56072, 60310, 63640, 70090, 74962, 81040, 87118, 96496, 112144, 120620, 127280, 140180, 149924, 165119, 174236, 187405, 217795, 241240, 259333, 280360, 299848, 330238, 348472, 374810, 435590, 482480, 518666, 560720, 599696, 660476, 696944, 749620, 825595, 871180, 1037332, 1296665, 1320952, 1499240, 1611683, 1651190, 1742360, 2074664, 2593330, 2641904, 2998480, 3223366, 3302380, 3484720, 4149328, 5186660, 6109403, 6446732, 6604760, 7100117, 8058415, 10373320, 12218806, 12893464, 13209520, 14200234, 16116830, 20746640, 24437612, 25786928, 28400468, 30547015, 32233660, 35500585, 48875224, 56800936, 61094030, 64467320, 71001170, 97750448, 113601872, 122188060, 128934640, 142002340, 244376120, 262704329, 284004680, 488752240, 525408658, 568009360, 1050817316, 1313521645, 2101634632, 2627043290, 4203269264, 5254086580, 10508173160, 21016346320]

約数ペア:

[(1, 21016346320), (2, 10508173160), (4, 5254086580), (5, 4203269264), (8, 2627043290), (10, 2101634632), (16, 1313521645), (20, 1050817316), (37, 568009360), (40, 525408658), (43, 488752240), (74, 284004680), (80, 262704329), (86, 244376120), (148, 142002340), (163, 128934640), (172, 122188060), (185, 113601872), (215, 97750448), (296, 71001170), (326, 64467320), (344, 61094030), (370, 56800936), (430, 48875224), (592, 35500585), (652, 32233660), (688, 30547015), (740, 28400468), (815, 25786928), (860, 24437612), (1013, 20746640), (1304, 16116830), (1480, 14200234), (1591, 13209520), (1630, 12893464), (1720, 12218806), (2026, 10373320), (2608, 8058415), (2960, 7100117), (3182, 6604760), (3260, 6446732), (3440, 6109403), (4052, 5186660), (5065, 4149328), (6031, 3484720), (6364, 3302380), (6520, 3223366), (7009, 2998480), (7955, 2641904), (8104, 2593330), (10130, 2074664), (12062, 1742360), (12728, 1651190), (13040, 1611683), (14018, 1499240), (15910, 1320952), (16208, 1296665), (20260, 1037332), (24124, 871180), (25456, 825595), (28036, 749620), (30155, 696944), (31820, 660476), (35045, 599696), (37481, 560720), (40520, 518666), (43559, 482480), (48248, 435590), (56072, 374810), (60310, 348472), (63640, 330238), (70090, 299848), (74962, 280360), (81040, 259333), (87118, 241240), (96496, 217795), (112144, 187405), (120620, 174236), (127280, 165119), (140180, 149924)]