21318336

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 168

約数和(自身を含む): 68793360

約数和(自身を除く): 47475024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 73, 78, 96, 104, 108, 117, 144, 146, 156, 169, 192, 208, 216, 219, 234, 288, 292, 312, 338, 351, 416, 432, 438, 468, 507, 576, 584, 624, 657, 676, 702, 832, 864, 876, 936, 949, 1014, 1168, 1248, 1314, 1352, 1404, 1521, 1728, 1752, 1872, 1898, 1971, 2028, 2336, 2496, 2628, 2704, 2808, 2847, 3042, 3504, 3744, 3796, 3942, 4056, 4563, 4672, 5256, 5408, 5616, 5694, 6084, 7008, 7488, 7592, 7884, 8112, 8541, 9126, 10512, 10816, 11232, 11388, 12168, 12337, 14016, 15184, 15768, 16224, 17082, 18252, 21024, 22464, 22776, 24336, 24674, 25623, 30368, 31536, 32448, 34164, 36504, 37011, 42048, 45552, 48672, 49348, 51246, 60736, 63072, 68328, 73008, 74022, 91104, 97344, 98696, 102492, 111033, 126144, 136656, 146016, 148044, 182208, 197392, 204984, 222066, 273312, 292032, 296088, 333099, 394784, 409968, 444132, 546624, 592176, 666198, 789568, 819936, 888264, 1184352, 1332396, 1639872, 1776528, 2368704, 2664792, 3553056, 5329584, 7106112, 10659168, 21318336]

約数ペア:

[(1, 21318336), (2, 10659168), (3, 7106112), (4, 5329584), (6, 3553056), (8, 2664792), (9, 2368704), (12, 1776528), (13, 1639872), (16, 1332396), (18, 1184352), (24, 888264), (26, 819936), (27, 789568), (32, 666198), (36, 592176), (39, 546624), (48, 444132), (52, 409968), (54, 394784), (64, 333099), (72, 296088), (73, 292032), (78, 273312), (96, 222066), (104, 204984), (108, 197392), (117, 182208), (144, 148044), (146, 146016), (156, 136656), (169, 126144), (192, 111033), (208, 102492), (216, 98696), (219, 97344), (234, 91104), (288, 74022), (292, 73008), (312, 68328), (338, 63072), (351, 60736), (416, 51246), (432, 49348), (438, 48672), (468, 45552), (507, 42048), (576, 37011), (584, 36504), (624, 34164), (657, 32448), (676, 31536), (702, 30368), (832, 25623), (864, 24674), (876, 24336), (936, 22776), (949, 22464), (1014, 21024), (1168, 18252), (1248, 17082), (1314, 16224), (1352, 15768), (1404, 15184), (1521, 14016), (1728, 12337), (1752, 12168), (1872, 11388), (1898, 11232), (1971, 10816), (2028, 10512), (2336, 9126), (2496, 8541), (2628, 8112), (2704, 7884), (2808, 7592), (2847, 7488), (3042, 7008), (3504, 6084), (3744, 5694), (3796, 5616), (3942, 5408), (4056, 5256), (4563, 4672)]