21989194

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{34039}}^1$

素因数の和:34077

約数の個数: 16

約数和(自身を含む): 36763200

約数和(自身を除く): 14774006

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 34039, 68078, 578663, 646741, 1157326, 1293482, 10994597, 21989194]

約数ペア:

[(1, 21989194), (2, 10994597), (17, 1293482), (19, 1157326), (34, 646741), (38, 578663), (323, 68078), (646, 34039)]