21088928

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3037}}^1$

素因数の和:3085

約数の個数: 48

約数和(自身を含む): 48996864

約数和(自身を除く): 27907936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3037, 3472, 6074, 6944, 12148, 21259, 24296, 42518, 48592, 85036, 94147, 97184, 170072, 188294, 340144, 376588, 659029, 680288, 753176, 1318058, 1506352, 2636116, 3012704, 5272232, 10544464, 21088928]

約数ペア:

[(1, 21088928), (2, 10544464), (4, 5272232), (7, 3012704), (8, 2636116), (14, 1506352), (16, 1318058), (28, 753176), (31, 680288), (32, 659029), (56, 376588), (62, 340144), (112, 188294), (124, 170072), (217, 97184), (224, 94147), (248, 85036), (434, 48592), (496, 42518), (868, 24296), (992, 21259), (1736, 12148), (3037, 6944), (3472, 6074)]