21399936

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2463

約数の個数: 64

約数和(自身を含む): 59339520

約数和(自身を除く): 37939584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2423, 2944, 4416, 4846, 7269, 8832, 9692, 14538, 19384, 29076, 38768, 55729, 58152, 77536, 111458, 116304, 155072, 167187, 222916, 232608, 310144, 334374, 445832, 465216, 668748, 891664, 930432, 1337496, 1783328, 2674992, 3566656, 5349984, 7133312, 10699968, 21399936]

約数ペア:

[(1, 21399936), (2, 10699968), (3, 7133312), (4, 5349984), (6, 3566656), (8, 2674992), (12, 1783328), (16, 1337496), (23, 930432), (24, 891664), (32, 668748), (46, 465216), (48, 445832), (64, 334374), (69, 310144), (92, 232608), (96, 222916), (128, 167187), (138, 155072), (184, 116304), (192, 111458), (276, 77536), (368, 58152), (384, 55729), (552, 38768), (736, 29076), (1104, 19384), (1472, 14538), (2208, 9692), (2423, 8832), (2944, 7269), (4416, 4846)]