210848421

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{8291}}^1$

素因数の和:8481

約数の個数: 24

約数和(自身を含む): 328960224

約数和(自身を除く): 118111803

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 1211, 3633, 8291, 8477, 24873, 25431, 58037, 174111, 406259, 1218777, 1434343, 4303029, 10040401, 30121203, 70282807, 210848421]

約数ペア:

[(1, 210848421), (3, 70282807), (7, 30121203), (21, 10040401), (49, 4303029), (147, 1434343), (173, 1218777), (519, 406259), (1211, 174111), (3633, 58037), (8291, 25431), (8477, 24873)]