21174329

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3155911

約数列:

[1, 11, 23, 127, 253, 659, 1397, 2921, 7249, 15157, 32131, 83693, 166727, 920623, 1924939, 21174329]

約数ペア:

[(1, 21174329), (11, 1924939), (23, 920623), (127, 166727), (253, 83693), (659, 32131), (1397, 15157), (2921, 7249)]