21503664

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:584

約数の個数: 160

約数和(自身を含む): 76106240

約数和(自身を除く): 54602576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 546, 547, 624, 702, 728, 756, 819, 936, 1008, 1092, 1094, 1404, 1456, 1512, 1638, 1641, 1872, 2184, 2188, 2457, 2808, 3024, 3276, 3282, 3829, 4368, 4376, 4914, 4923, 5616, 6552, 6564, 7111, 7658, 8752, 9828, 9846, 11487, 13104, 13128, 14222, 14769, 15316, 19656, 19692, 21333, 22974, 26256, 28444, 29538, 30632, 34461, 39312, 39384, 42666, 45948, 49777, 56888, 59076, 61264, 63999, 68922, 78768, 85332, 91896, 99554, 103383, 113776, 118152, 127998, 137844, 149331, 170664, 183792, 191997, 199108, 206766, 236304, 255996, 275688, 298662, 341328, 383994, 398216, 413532, 447993, 511992, 551376, 597324, 767988, 796432, 827064, 895986, 1023984, 1194648, 1343979, 1535976, 1654128, 1791972, 2389296, 2687958, 3071952, 3583944, 5375916, 7167888, 10751832, 21503664]

約数ペア:

[(1, 21503664), (2, 10751832), (3, 7167888), (4, 5375916), (6, 3583944), (7, 3071952), (8, 2687958), (9, 2389296), (12, 1791972), (13, 1654128), (14, 1535976), (16, 1343979), (18, 1194648), (21, 1023984), (24, 895986), (26, 827064), (27, 796432), (28, 767988), (36, 597324), (39, 551376), (42, 511992), (48, 447993), (52, 413532), (54, 398216), (56, 383994), (63, 341328), (72, 298662), (78, 275688), (84, 255996), (91, 236304), (104, 206766), (108, 199108), (112, 191997), (117, 183792), (126, 170664), (144, 149331), (156, 137844), (168, 127998), (182, 118152), (189, 113776), (208, 103383), (216, 99554), (234, 91896), (252, 85332), (273, 78768), (312, 68922), (336, 63999), (351, 61264), (364, 59076), (378, 56888), (432, 49777), (468, 45948), (504, 42666), (546, 39384), (547, 39312), (624, 34461), (702, 30632), (728, 29538), (756, 28444), (819, 26256), (936, 22974), (1008, 21333), (1092, 19692), (1094, 19656), (1404, 15316), (1456, 14769), (1512, 14222), (1638, 13128), (1641, 13104), (1872, 11487), (2184, 9846), (2188, 9828), (2457, 8752), (2808, 7658), (3024, 7111), (3276, 6564), (3282, 6552), (3829, 5616), (4368, 4923), (4376, 4914)]