21325672

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91921}}^1$

素因数の和:91956

約数の個数: 16

約数和(自身を含む): 41364900

約数和(自身を除く): 20039228

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91921, 183842, 367684, 735368, 2665709, 5331418, 10662836, 21325672]

約数ペア:

[(1, 21325672), (2, 10662836), (4, 5331418), (8, 2665709), (29, 735368), (58, 367684), (116, 183842), (232, 91921)]