21159344

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4673}}^1$

素因数の和:4964

約数の個数: 20

約数和(自身を含む): 41149896

約数和(自身を除く): 19990552

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4673, 9346, 18692, 37384, 74768, 1322459, 2644918, 5289836, 10579672, 21159344]

約数ペア:

[(1, 21159344), (2, 10579672), (4, 5289836), (8, 2644918), (16, 1322459), (283, 74768), (566, 37384), (1132, 18692), (2264, 9346), (4528, 4673)]