21704924416

素因数分解:

$2^8\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{11863}}^1$

素因数の和:12907

約数の個数: 72

約数和(自身を含む): 49567032704

約数和(自身を除く): 27862108288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1021, 1792, 2042, 4084, 7147, 8168, 11863, 14294, 16336, 23726, 28588, 32672, 47452, 57176, 65344, 83041, 94904, 114352, 130688, 166082, 189808, 228704, 261376, 332164, 379616, 457408, 664328, 759232, 914816, 1328656, 1518464, 1829632, 2657312, 3036928, 5314624, 10629248, 12112123, 21258496, 24224246, 48448492, 84784861, 96896984, 169569722, 193793968, 339139444, 387587936, 678278888, 775175872, 1356557776, 1550351744, 2713115552, 3100703488, 5426231104, 10852462208, 21704924416]

約数ペア:

[(1, 21704924416), (2, 10852462208), (4, 5426231104), (7, 3100703488), (8, 2713115552), (14, 1550351744), (16, 1356557776), (28, 775175872), (32, 678278888), (56, 387587936), (64, 339139444), (112, 193793968), (128, 169569722), (224, 96896984), (256, 84784861), (448, 48448492), (896, 24224246), (1021, 21258496), (1792, 12112123), (2042, 10629248), (4084, 5314624), (7147, 3036928), (8168, 2657312), (11863, 1829632), (14294, 1518464), (16336, 1328656), (23726, 914816), (28588, 759232), (32672, 664328), (47452, 457408), (57176, 379616), (65344, 332164), (83041, 261376), (94904, 228704), (114352, 189808), (130688, 166082)]