21966091

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{937}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 26744256

約数和(自身を除く): 4778165

約数列:

[1, 7, 17, 119, 197, 937, 1379, 3349, 6559, 15929, 23443, 111503, 184589, 1292123, 3138013, 21966091]

約数ペア:

[(1, 21966091), (7, 3138013), (17, 1292123), (119, 184589), (197, 111503), (937, 23443), (1379, 15929), (3349, 6559)]