21318660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 75075840

約数和(自身を除く): 53757180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 37, 44, 45, 54, 55, 60, 66, 74, 90, 97, 99, 108, 110, 111, 132, 135, 148, 165, 180, 185, 194, 198, 220, 222, 270, 291, 297, 330, 333, 370, 388, 396, 407, 444, 485, 495, 540, 555, 582, 594, 660, 666, 740, 814, 873, 970, 990, 999, 1067, 1110, 1164, 1188, 1221, 1332, 1455, 1485, 1628, 1665, 1746, 1940, 1980, 1998, 2035, 2134, 2220, 2442, 2619, 2910, 2970, 3201, 3330, 3492, 3589, 3663, 3996, 4070, 4268, 4365, 4884, 4995, 5238, 5335, 5820, 5940, 6105, 6402, 6660, 7178, 7326, 8140, 8730, 9603, 9990, 10476, 10670, 10767, 10989, 12210, 12804, 13095, 14356, 14652, 16005, 17460, 17945, 18315, 19206, 19980, 21340, 21534, 21978, 24420, 26190, 28809, 32010, 32301, 35890, 36630, 38412, 39479, 43068, 43956, 48015, 52380, 53835, 54945, 57618, 64020, 64602, 71780, 73260, 78958, 96030, 96903, 107670, 109890, 115236, 118437, 129204, 144045, 157916, 161505, 192060, 193806, 197395, 215340, 219780, 236874, 288090, 323010, 355311, 387612, 394790, 473748, 484515, 576180, 592185, 646020, 710622, 789580, 969030, 1065933, 1184370, 1421244, 1776555, 1938060, 2131866, 2368740, 3553110, 4263732, 5329665, 7106220, 10659330, 21318660]

約数ペア:

[(1, 21318660), (2, 10659330), (3, 7106220), (4, 5329665), (5, 4263732), (6, 3553110), (9, 2368740), (10, 2131866), (11, 1938060), (12, 1776555), (15, 1421244), (18, 1184370), (20, 1065933), (22, 969030), (27, 789580), (30, 710622), (33, 646020), (36, 592185), (37, 576180), (44, 484515), (45, 473748), (54, 394790), (55, 387612), (60, 355311), (66, 323010), (74, 288090), (90, 236874), (97, 219780), (99, 215340), (108, 197395), (110, 193806), (111, 192060), (132, 161505), (135, 157916), (148, 144045), (165, 129204), (180, 118437), (185, 115236), (194, 109890), (198, 107670), (220, 96903), (222, 96030), (270, 78958), (291, 73260), (297, 71780), (330, 64602), (333, 64020), (370, 57618), (388, 54945), (396, 53835), (407, 52380), (444, 48015), (485, 43956), (495, 43068), (540, 39479), (555, 38412), (582, 36630), (594, 35890), (660, 32301), (666, 32010), (740, 28809), (814, 26190), (873, 24420), (970, 21978), (990, 21534), (999, 21340), (1067, 19980), (1110, 19206), (1164, 18315), (1188, 17945), (1221, 17460), (1332, 16005), (1455, 14652), (1485, 14356), (1628, 13095), (1665, 12804), (1746, 12210), (1940, 10989), (1980, 10767), (1998, 10670), (2035, 10476), (2134, 9990), (2220, 9603), (2442, 8730), (2619, 8140), (2910, 7326), (2970, 7178), (3201, 6660), (3330, 6402), (3492, 6105), (3589, 5940), (3663, 5820), (3996, 5335), (4070, 5238), (4268, 4995), (4365, 4884)]