21723429

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6121}}^1$

素因数の和:6157

約数の個数: 24

約数和(自身を含む): 35850432

約数和(自身を除く): 14127003

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 6121, 18363, 42847, 79573, 128541, 238719, 557011, 1034449, 1671033, 3103347, 7241143, 21723429]

約数ペア:

[(1, 21723429), (3, 7241143), (7, 3103347), (13, 1671033), (21, 1034449), (39, 557011), (91, 238719), (169, 128541), (273, 79573), (507, 42847), (1183, 18363), (3549, 6121)]