21167328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2456

約数の個数: 96

約数和(自身を含む): 68414976

約数和(自身を除く): 47247648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2184, 2423, 2912, 4368, 4846, 7269, 8736, 9692, 14538, 16961, 19384, 29076, 31499, 33922, 38768, 50883, 58152, 62998, 67844, 77536, 94497, 101766, 116304, 125996, 135688, 188994, 203532, 220493, 232608, 251992, 271376, 377988, 407064, 440986, 503984, 542752, 661479, 755976, 814128, 881972, 1007968, 1322958, 1511952, 1628256, 1763944, 2645916, 3023904, 3527888, 5291832, 7055776, 10583664, 21167328]

約数ペア:

[(1, 21167328), (2, 10583664), (3, 7055776), (4, 5291832), (6, 3527888), (7, 3023904), (8, 2645916), (12, 1763944), (13, 1628256), (14, 1511952), (16, 1322958), (21, 1007968), (24, 881972), (26, 814128), (28, 755976), (32, 661479), (39, 542752), (42, 503984), (48, 440986), (52, 407064), (56, 377988), (78, 271376), (84, 251992), (91, 232608), (96, 220493), (104, 203532), (112, 188994), (156, 135688), (168, 125996), (182, 116304), (208, 101766), (224, 94497), (273, 77536), (312, 67844), (336, 62998), (364, 58152), (416, 50883), (546, 38768), (624, 33922), (672, 31499), (728, 29076), (1092, 19384), (1248, 16961), (1456, 14538), (2184, 9692), (2423, 8736), (2912, 7269), (4368, 4846)]