21185463240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{111667}}^1$

素因数の和:111732

約数の個数: 192

約数和(自身を含む): 75255298560

約数和(自身を除く): 54069835320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1395, 1530, 1581, 1860, 2040, 2108, 2232, 2635, 2790, 3060, 3162, 3720, 4216, 4743, 5270, 5580, 6120, 6324, 7905, 9486, 10540, 11160, 12648, 15810, 18972, 21080, 23715, 31620, 37944, 47430, 63240, 94860, 111667, 189720, 223334, 335001, 446668, 558335, 670002, 893336, 1005003, 1116670, 1340004, 1675005, 1898339, 2010006, 2233340, 2680008, 3350010, 3461677, 3796678, 4020012, 4466680, 5025015, 5695017, 6700020, 6923354, 7593356, 8040024, 9491695, 10050030, 10385031, 11390034, 13400040, 13846708, 15186712, 17085051, 17308385, 18983390, 20100060, 20770062, 22780068, 27693416, 28475085, 31155093, 34170102, 34616770, 37966780, 40200120, 41540124, 45560136, 51925155, 56950170, 58848509, 62310186, 68340204, 69233540, 75933560, 83080248, 85425255, 103850310, 113900340, 117697018, 124620372, 136680408, 138467080, 155775465, 170850510, 176545527, 207700620, 227800680, 235394036, 249240744, 294242545, 311550930, 341701020, 353091054, 415401240, 470788072, 529636581, 588485090, 623101860, 683402040, 706182108, 882727635, 1059273162, 1176970180, 1246203720, 1412364216, 1765455270, 2118546324, 2353940360, 2648182905, 3530910540, 4237092648, 5296365810, 7061821080, 10592731620, 21185463240]

約数ペア:

[(1, 21185463240), (2, 10592731620), (3, 7061821080), (4, 5296365810), (5, 4237092648), (6, 3530910540), (8, 2648182905), (9, 2353940360), (10, 2118546324), (12, 1765455270), (15, 1412364216), (17, 1246203720), (18, 1176970180), (20, 1059273162), (24, 882727635), (30, 706182108), (31, 683402040), (34, 623101860), (36, 588485090), (40, 529636581), (45, 470788072), (51, 415401240), (60, 353091054), (62, 341701020), (68, 311550930), (72, 294242545), (85, 249240744), (90, 235394036), (93, 227800680), (102, 207700620), (120, 176545527), (124, 170850510), (136, 155775465), (153, 138467080), (155, 136680408), (170, 124620372), (180, 117697018), (186, 113900340), (204, 103850310), (248, 85425255), (255, 83080248), (279, 75933560), (306, 69233540), (310, 68340204), (340, 62310186), (360, 58848509), (372, 56950170), (408, 51925155), (465, 45560136), (510, 41540124), (527, 40200120), (558, 37966780), (612, 34616770), (620, 34170102), (680, 31155093), (744, 28475085), (765, 27693416), (930, 22780068), (1020, 20770062), (1054, 20100060), (1116, 18983390), (1224, 17308385), (1240, 17085051), (1395, 15186712), (1530, 13846708), (1581, 13400040), (1860, 11390034), (2040, 10385031), (2108, 10050030), (2232, 9491695), (2635, 8040024), (2790, 7593356), (3060, 6923354), (3162, 6700020), (3720, 5695017), (4216, 5025015), (4743, 4466680), (5270, 4020012), (5580, 3796678), (6120, 3461677), (6324, 3350010), (7905, 2680008), (9486, 2233340), (10540, 2010006), (11160, 1898339), (12648, 1675005), (15810, 1340004), (18972, 1116670), (21080, 1005003), (23715, 893336), (31620, 670002), (37944, 558335), (47430, 446668), (63240, 335001), (94860, 223334), (111667, 189720)]