21263014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9173}}^1$

素因数の和:9255

約数の個数: 16

約数和(自身を含む): 34127280

約数和(自身を除く): 12864266

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9173, 18346, 174287, 348574, 559553, 1119106, 10631507, 21263014]

約数ペア:

[(1, 21263014), (2, 10631507), (19, 1119106), (38, 559553), (61, 348574), (122, 174287), (1159, 18346), (2318, 9173)]