21078144

素因数分解:

$2^7\times 3^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 66646800

約数和(自身を除く): 45568656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 107, 108, 114, 128, 144, 152, 162, 171, 192, 214, 216, 228, 288, 304, 321, 324, 342, 384, 428, 432, 456, 513, 576, 608, 642, 648, 684, 856, 864, 912, 963, 1026, 1152, 1216, 1284, 1296, 1368, 1539, 1712, 1728, 1824, 1926, 2033, 2052, 2432, 2568, 2592, 2736, 2889, 3078, 3424, 3456, 3648, 3852, 4066, 4104, 5136, 5184, 5472, 5778, 6099, 6156, 6848, 7296, 7704, 8132, 8208, 8667, 10272, 10368, 10944, 11556, 12198, 12312, 13696, 15408, 16264, 16416, 17334, 18297, 20544, 21888, 23112, 24396, 24624, 30816, 32528, 32832, 34668, 36594, 41088, 46224, 48792, 49248, 54891, 61632, 65056, 65664, 69336, 73188, 92448, 97584, 98496, 109782, 123264, 130112, 138672, 146376, 164673, 184896, 195168, 196992, 219564, 260224, 277344, 292752, 329346, 369792, 390336, 439128, 554688, 585504, 658692, 780672, 878256, 1109376, 1171008, 1317384, 1756512, 2342016, 2634768, 3513024, 5269536, 7026048, 10539072, 21078144]

約数ペア:

[(1, 21078144), (2, 10539072), (3, 7026048), (4, 5269536), (6, 3513024), (8, 2634768), (9, 2342016), (12, 1756512), (16, 1317384), (18, 1171008), (19, 1109376), (24, 878256), (27, 780672), (32, 658692), (36, 585504), (38, 554688), (48, 439128), (54, 390336), (57, 369792), (64, 329346), (72, 292752), (76, 277344), (81, 260224), (96, 219564), (107, 196992), (108, 195168), (114, 184896), (128, 164673), (144, 146376), (152, 138672), (162, 130112), (171, 123264), (192, 109782), (214, 98496), (216, 97584), (228, 92448), (288, 73188), (304, 69336), (321, 65664), (324, 65056), (342, 61632), (384, 54891), (428, 49248), (432, 48792), (456, 46224), (513, 41088), (576, 36594), (608, 34668), (642, 32832), (648, 32528), (684, 30816), (856, 24624), (864, 24396), (912, 23112), (963, 21888), (1026, 20544), (1152, 18297), (1216, 17334), (1284, 16416), (1296, 16264), (1368, 15408), (1539, 13696), (1712, 12312), (1728, 12198), (1824, 11556), (1926, 10944), (2033, 10368), (2052, 10272), (2432, 8667), (2568, 8208), (2592, 8132), (2736, 7704), (2889, 7296), (3078, 6848), (3424, 6156), (3456, 6099), (3648, 5778), (3852, 5472), (4066, 5184), (4104, 5136)]