21303360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:605

約数の個数: 168

約数和(自身を含む): 79049880

約数和(自身を除く): 57746520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 569, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1138, 1170, 1248, 1440, 1560, 1707, 1872, 2080, 2276, 2340, 2496, 2845, 2880, 3120, 3414, 3744, 4160, 4552, 4680, 5121, 5690, 6240, 6828, 7397, 7488, 8535, 9104, 9360, 10242, 11380, 12480, 13656, 14794, 17070, 18208, 18720, 20484, 22191, 22760, 25605, 27312, 29588, 34140, 36416, 36985, 37440, 40968, 44382, 45520, 51210, 54624, 59176, 66573, 68280, 73970, 81936, 88764, 91040, 102420, 109248, 110955, 118352, 133146, 136560, 147940, 163872, 177528, 182080, 204840, 221910, 236704, 266292, 273120, 295880, 327744, 332865, 355056, 409680, 443820, 473408, 532584, 546240, 591760, 665730, 710112, 819360, 887640, 1065168, 1183520, 1331460, 1420224, 1638720, 1775280, 2130336, 2367040, 2662920, 3550560, 4260672, 5325840, 7101120, 10651680, 21303360]

約数ペア:

[(1, 21303360), (2, 10651680), (3, 7101120), (4, 5325840), (5, 4260672), (6, 3550560), (8, 2662920), (9, 2367040), (10, 2130336), (12, 1775280), (13, 1638720), (15, 1420224), (16, 1331460), (18, 1183520), (20, 1065168), (24, 887640), (26, 819360), (30, 710112), (32, 665730), (36, 591760), (39, 546240), (40, 532584), (45, 473408), (48, 443820), (52, 409680), (60, 355056), (64, 332865), (65, 327744), (72, 295880), (78, 273120), (80, 266292), (90, 236704), (96, 221910), (104, 204840), (117, 182080), (120, 177528), (130, 163872), (144, 147940), (156, 136560), (160, 133146), (180, 118352), (192, 110955), (195, 109248), (208, 102420), (234, 91040), (240, 88764), (260, 81936), (288, 73970), (312, 68280), (320, 66573), (360, 59176), (390, 54624), (416, 51210), (468, 45520), (480, 44382), (520, 40968), (569, 37440), (576, 36985), (585, 36416), (624, 34140), (720, 29588), (780, 27312), (832, 25605), (936, 22760), (960, 22191), (1040, 20484), (1138, 18720), (1170, 18208), (1248, 17070), (1440, 14794), (1560, 13656), (1707, 12480), (1872, 11380), (2080, 10242), (2276, 9360), (2340, 9104), (2496, 8535), (2845, 7488), (2880, 7397), (3120, 6828), (3414, 6240), (3744, 5690), (4160, 5121), (4552, 4680)]