21975408

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 79875840

約数和(自身を除く): 57900432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 43, 48, 52, 54, 56, 63, 72, 78, 84, 86, 91, 104, 108, 112, 117, 126, 129, 144, 156, 168, 169, 172, 182, 189, 208, 216, 234, 252, 258, 273, 301, 312, 336, 338, 344, 351, 364, 378, 387, 432, 468, 504, 507, 516, 546, 559, 602, 624, 676, 688, 702, 728, 756, 774, 819, 903, 936, 1008, 1014, 1032, 1092, 1118, 1161, 1183, 1204, 1352, 1404, 1456, 1512, 1521, 1548, 1638, 1677, 1806, 1872, 2028, 2064, 2184, 2236, 2322, 2366, 2408, 2457, 2704, 2709, 2808, 3024, 3042, 3096, 3276, 3354, 3549, 3612, 3913, 4056, 4368, 4472, 4563, 4644, 4732, 4816, 4914, 5031, 5418, 5616, 6084, 6192, 6552, 6708, 7098, 7224, 7267, 7826, 8112, 8127, 8944, 9126, 9288, 9464, 9828, 10062, 10647, 10836, 11739, 12168, 13104, 13416, 14196, 14448, 14534, 15093, 15652, 16254, 18252, 18576, 18928, 19656, 20124, 21294, 21672, 21801, 23478, 24336, 26832, 28392, 29068, 30186, 31304, 31941, 32508, 35217, 36504, 39312, 40248, 42588, 43344, 43602, 46956, 50869, 56784, 58136, 60372, 62608, 63882, 65016, 65403, 70434, 73008, 80496, 85176, 87204, 93912, 101738, 105651, 116272, 120744, 127764, 130032, 130806, 140868, 152607, 170352, 174408, 187824, 196209, 203476, 211302, 241488, 255528, 261612, 281736, 305214, 348816, 392418, 406952, 422604, 457821, 511056, 523224, 563472, 610428, 784836, 813904, 845208, 915642, 1046448, 1220856, 1373463, 1569672, 1690416, 1831284, 2441712, 2746926, 3139344, 3662568, 5493852, 7325136, 10987704, 21975408]

約数ペア:

[(1, 21975408), (2, 10987704), (3, 7325136), (4, 5493852), (6, 3662568), (7, 3139344), (8, 2746926), (9, 2441712), (12, 1831284), (13, 1690416), (14, 1569672), (16, 1373463), (18, 1220856), (21, 1046448), (24, 915642), (26, 845208), (27, 813904), (28, 784836), (36, 610428), (39, 563472), (42, 523224), (43, 511056), (48, 457821), (52, 422604), (54, 406952), (56, 392418), (63, 348816), (72, 305214), (78, 281736), (84, 261612), (86, 255528), (91, 241488), (104, 211302), (108, 203476), (112, 196209), (117, 187824), (126, 174408), (129, 170352), (144, 152607), (156, 140868), (168, 130806), (169, 130032), (172, 127764), (182, 120744), (189, 116272), (208, 105651), (216, 101738), (234, 93912), (252, 87204), (258, 85176), (273, 80496), (301, 73008), (312, 70434), (336, 65403), (338, 65016), (344, 63882), (351, 62608), (364, 60372), (378, 58136), (387, 56784), (432, 50869), (468, 46956), (504, 43602), (507, 43344), (516, 42588), (546, 40248), (559, 39312), (602, 36504), (624, 35217), (676, 32508), (688, 31941), (702, 31304), (728, 30186), (756, 29068), (774, 28392), (819, 26832), (903, 24336), (936, 23478), (1008, 21801), (1014, 21672), (1032, 21294), (1092, 20124), (1118, 19656), (1161, 18928), (1183, 18576), (1204, 18252), (1352, 16254), (1404, 15652), (1456, 15093), (1512, 14534), (1521, 14448), (1548, 14196), (1638, 13416), (1677, 13104), (1806, 12168), (1872, 11739), (2028, 10836), (2064, 10647), (2184, 10062), (2236, 9828), (2322, 9464), (2366, 9288), (2408, 9126), (2457, 8944), (2704, 8127), (2709, 8112), (2808, 7826), (3024, 7267), (3042, 7224), (3096, 7098), (3276, 6708), (3354, 6552), (3549, 6192), (3612, 6084), (3913, 5616), (4056, 5418), (4368, 5031), (4472, 4914), (4563, 4816), (4644, 4732)]