210017821

素因数分解:

${\mathrm{13}}^3\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 229860400

約数和(自身を除く): 19842579

約数列:

[1, 13, 109, 169, 877, 1417, 2197, 11401, 18421, 95593, 148213, 239473, 1242709, 1926769, 16155217, 210017821]

約数ペア:

[(1, 210017821), (13, 16155217), (109, 1926769), (169, 1242709), (877, 239473), (1417, 148213), (2197, 95593), (11401, 18421)]