21556067

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 24272640

約数和(自身を除く): 2716573

約数列:

[1, 13, 31, 89, 403, 601, 1157, 2759, 7813, 18631, 35867, 53489, 242203, 695357, 1658159, 21556067]

約数ペア:

[(1, 21556067), (13, 1658159), (31, 695357), (89, 242203), (403, 53489), (601, 35867), (1157, 18631), (2759, 7813)]