21963872

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3211

約数の個数: 48

約数和(自身を含む): 51028992

約数和(自身を除く): 29065120

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, 3163, 3472, 6326, 6944, 12652, 22141, 25304, 44282, 50608, 88564, 98053, 101216, 177128, 196106, 354256, 392212, 686371, 708512, 784424, 1372742, 1568848, 2745484, 3137696, 5490968, 10981936, 21963872]

約数ペア:

[(1, 21963872), (2, 10981936), (4, 5490968), (7, 3137696), (8, 2745484), (14, 1568848), (16, 1372742), (28, 784424), (31, 708512), (32, 686371), (56, 392212), (62, 354256), (112, 196106), (124, 177128), (217, 101216), (224, 98053), (248, 88564), (434, 50608), (496, 44282), (868, 25304), (992, 22141), (1736, 12652), (3163, 6944), (3472, 6326)]