21301204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16487}}^1$

素因数の和:16527

約数の個数: 24

約数和(自身を含む): 41549760

約数和(自身を除く): 20248556

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16487, 32974, 65948, 280279, 313253, 560558, 626506, 1121116, 1253012, 5325301, 10650602, 21301204]

約数ペア:

[(1, 21301204), (2, 10650602), (4, 5325301), (17, 1253012), (19, 1121116), (34, 626506), (38, 560558), (68, 313253), (76, 280279), (323, 65948), (646, 32974), (1292, 16487)]