21079456

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38749}}^1$

素因数の和:38776

約数の個数: 24

約数和(自身を含む): 43942500

約数和(自身を除く): 22863044

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38749, 77498, 154996, 309992, 619984, 658733, 1239968, 1317466, 2634932, 5269864, 10539728, 21079456]

約数ペア:

[(1, 21079456), (2, 10539728), (4, 5269864), (8, 2634932), (16, 1317466), (17, 1239968), (32, 658733), (34, 619984), (68, 309992), (136, 154996), (272, 77498), (544, 38749)]