21347194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15907}}^1$

素因数の和:15981

約数の個数: 16

約数和(自身を含む): 35506656

約数和(自身を除く): 14159462

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15907, 31814, 174977, 349954, 970327, 1940654, 10673597, 21347194]

約数ペア:

[(1, 21347194), (2, 10673597), (11, 1940654), (22, 970327), (61, 349954), (122, 174977), (671, 31814), (1342, 15907)]