21734638

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 33269760

約数和(自身を除く): 11535122

約数列:

[1, 2, 79, 151, 158, 302, 911, 1822, 11929, 23858, 71969, 137561, 143938, 275122, 10867319, 21734638]

約数ペア:

[(1, 21734638), (2, 10867319), (79, 275122), (151, 143938), (158, 137561), (302, 71969), (911, 23858), (1822, 11929)]