21087772

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 37933056

約数和(自身を除く): 16845284

約数列:

[1, 2, 4, 47, 94, 188, 223, 446, 503, 892, 1006, 2012, 10481, 20962, 23641, 41924, 47282, 94564, 112169, 224338, 448676, 5271943, 10543886, 21087772]

約数ペア:

[(1, 21087772), (2, 10543886), (4, 5271943), (47, 448676), (94, 224338), (188, 112169), (223, 94564), (446, 47282), (503, 41924), (892, 23641), (1006, 20962), (2012, 10481)]