21271314360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{4139}}^1$

素因数の和:4645

約数の個数: 128

約数和(自身を含む): 64564128000

約数和(自身を除く): 43292813640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 379, 452, 565, 678, 758, 904, 1130, 1137, 1356, 1516, 1695, 1895, 2260, 2274, 2712, 3032, 3390, 3790, 4139, 4520, 4548, 5685, 6780, 7580, 8278, 9096, 11370, 12417, 13560, 15160, 16556, 20695, 22740, 24834, 33112, 41390, 42827, 45480, 49668, 62085, 82780, 85654, 99336, 124170, 128481, 165560, 171308, 214135, 248340, 256962, 342616, 428270, 467707, 496680, 513924, 642405, 856540, 935414, 1027848, 1284810, 1403121, 1568681, 1713080, 1870828, 2338535, 2569620, 2806242, 3137362, 3741656, 4677070, 4706043, 5139240, 5612484, 6274724, 7015605, 7843405, 9354140, 9412086, 11224968, 12549448, 14031210, 15686810, 18708280, 18824172, 23530215, 28062420, 31373620, 37648344, 47060430, 56124840, 62747240, 94120860, 177260953, 188241720, 354521906, 531782859, 709043812, 886304765, 1063565718, 1418087624, 1772609530, 2127131436, 2658914295, 3545219060, 4254262872, 5317828590, 7090438120, 10635657180, 21271314360]

約数ペア:

[(1, 21271314360), (2, 10635657180), (3, 7090438120), (4, 5317828590), (5, 4254262872), (6, 3545219060), (8, 2658914295), (10, 2127131436), (12, 1772609530), (15, 1418087624), (20, 1063565718), (24, 886304765), (30, 709043812), (40, 531782859), (60, 354521906), (113, 188241720), (120, 177260953), (226, 94120860), (339, 62747240), (379, 56124840), (452, 47060430), (565, 37648344), (678, 31373620), (758, 28062420), (904, 23530215), (1130, 18824172), (1137, 18708280), (1356, 15686810), (1516, 14031210), (1695, 12549448), (1895, 11224968), (2260, 9412086), (2274, 9354140), (2712, 7843405), (3032, 7015605), (3390, 6274724), (3790, 5612484), (4139, 5139240), (4520, 4706043), (4548, 4677070), (5685, 3741656), (6780, 3137362), (7580, 2806242), (8278, 2569620), (9096, 2338535), (11370, 1870828), (12417, 1713080), (13560, 1568681), (15160, 1403121), (16556, 1284810), (20695, 1027848), (22740, 935414), (24834, 856540), (33112, 642405), (41390, 513924), (42827, 496680), (45480, 467707), (49668, 428270), (62085, 342616), (82780, 256962), (85654, 248340), (99336, 214135), (124170, 171308), (128481, 165560)]