21953983

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 24256512

約数和(自身を除く): 2302529

約数列:

[1, 23, 31, 41, 713, 751, 943, 1271, 17273, 23281, 29233, 30791, 535463, 708193, 954521, 21953983]

約数ペア:

[(1, 21953983), (23, 954521), (31, 708193), (41, 535463), (713, 30791), (751, 29233), (943, 23281), (1271, 17273)]