21609231

素因数分解:

$3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1753}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 33003264

約数和(自身を除く): 11394033

約数列:

[1, 3, 7, 21, 587, 1753, 1761, 4109, 5259, 12271, 12327, 36813, 1029011, 3087033, 7203077, 21609231]

約数ペア:

[(1, 21609231), (3, 7203077), (7, 3087033), (21, 1029011), (587, 36813), (1753, 12327), (1761, 12271), (4109, 5259)]