21876478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5647}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 35582400

約数和(自身を除く): 13705922

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5647, 11294, 73411, 146822, 841403, 1682806, 10938239, 21876478]

約数ペア:

[(1, 21876478), (2, 10938239), (13, 1682806), (26, 841403), (149, 146822), (298, 73411), (1937, 11294), (3874, 5647)]