21599312

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6267

約数の個数: 40

約数和(自身を含む): 49377792

約数和(自身を除く): 27778480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6221, 12442, 24884, 43547, 49768, 87094, 99536, 174188, 192851, 348376, 385702, 696752, 771404, 1349957, 1542808, 2699914, 3085616, 5399828, 10799656, 21599312]

約数ペア:

[(1, 21599312), (2, 10799656), (4, 5399828), (7, 3085616), (8, 2699914), (14, 1542808), (16, 1349957), (28, 771404), (31, 696752), (56, 385702), (62, 348376), (112, 192851), (124, 174188), (217, 99536), (248, 87094), (434, 49768), (496, 43547), (868, 24884), (1736, 12442), (3472, 6221)]