21906627

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1307}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 30220032

約数和(自身を除く): 8313405

約数列:

[1, 3, 37, 111, 151, 453, 1307, 3921, 5587, 16761, 48359, 145077, 197357, 592071, 7302209, 21906627]

約数ペア:

[(1, 21906627), (3, 7302209), (37, 592071), (111, 197357), (151, 145077), (453, 48359), (1307, 16761), (3921, 5587)]