21396812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16601

約数の個数: 24

約数和(自身を含む): 41736240

約数和(自身を除く): 20339428

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16561, 33122, 66244, 281537, 314659, 563074, 629318, 1126148, 1258636, 5349203, 10698406, 21396812]

約数ペア:

[(1, 21396812), (2, 10698406), (4, 5349203), (17, 1258636), (19, 1126148), (34, 629318), (38, 563074), (68, 314659), (76, 281537), (323, 66244), (646, 33122), (1292, 16561)]