21471072

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43847328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 89, 96, 112, 168, 178, 224, 267, 336, 356, 359, 534, 623, 672, 712, 718, 1068, 1077, 1246, 1424, 1436, 1869, 2136, 2154, 2492, 2513, 2848, 2872, 3738, 4272, 4308, 4984, 5026, 5744, 7476, 7539, 8544, 8616, 9968, 10052, 11488, 14952, 15078, 17232, 19936, 20104, 29904, 30156, 31951, 34464, 40208, 59808, 60312, 63902, 80416, 95853, 120624, 127804, 191706, 223657, 241248, 255608, 383412, 447314, 511216, 670971, 766824, 894628, 1022432, 1341942, 1533648, 1789256, 2683884, 3067296, 3578512, 5367768, 7157024, 10735536, 21471072]

約数ペア:

[(1, 21471072), (2, 10735536), (3, 7157024), (4, 5367768), (6, 3578512), (7, 3067296), (8, 2683884), (12, 1789256), (14, 1533648), (16, 1341942), (21, 1022432), (24, 894628), (28, 766824), (32, 670971), (42, 511216), (48, 447314), (56, 383412), (84, 255608), (89, 241248), (96, 223657), (112, 191706), (168, 127804), (178, 120624), (224, 95853), (267, 80416), (336, 63902), (356, 60312), (359, 59808), (534, 40208), (623, 34464), (672, 31951), (712, 30156), (718, 29904), (1068, 20104), (1077, 19936), (1246, 17232), (1424, 15078), (1436, 14952), (1869, 11488), (2136, 10052), (2154, 9968), (2492, 8616), (2513, 8544), (2848, 7539), (2872, 7476), (3738, 5744), (4272, 5026), (4308, 4984)]