21770469

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5857}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 36553920

約数和(自身を除く): 14783451

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5857, 17571, 40999, 52713, 122997, 345563, 368991, 1036689, 2418941, 3110067, 7256823, 21770469]

約数ペア:

[(1, 21770469), (3, 7256823), (7, 3110067), (9, 2418941), (21, 1036689), (59, 368991), (63, 345563), (177, 122997), (413, 52713), (531, 40999), (1239, 17571), (3717, 5857)]