21696195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 15110205

約数列:

[1, 3, 5, 15, 19, 57, 95, 269, 283, 285, 807, 849, 1345, 1415, 4035, 4245, 5111, 5377, 15333, 16131, 25555, 26885, 76127, 76665, 80655, 228381, 380635, 1141905, 1446413, 4339239, 7232065, 21696195]

約数ペア:

[(1, 21696195), (3, 7232065), (5, 4339239), (15, 1446413), (19, 1141905), (57, 380635), (95, 228381), (269, 80655), (283, 76665), (285, 76127), (807, 26885), (849, 25555), (1345, 16131), (1415, 15333), (4035, 5377), (4245, 5111)]