21354586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1907}}^1$

素因数の和:2429

約数の個数: 16

約数和(自身を含む): 35030880

約数和(自身を除く): 13676294

約数列:

[1, 2, 11, 22, 509, 1018, 1907, 3814, 5599, 11198, 20977, 41954, 970663, 1941326, 10677293, 21354586]

約数ペア:

[(1, 21354586), (2, 10677293), (11, 1941326), (22, 970663), (509, 41954), (1018, 20977), (1907, 11198), (3814, 5599)]