21996008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67061}}^1$

素因数の和:67108

約数の個数: 16

約数和(自身を含む): 42249060

約数和(自身を除く): 20253052

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 67061, 134122, 268244, 536488, 2749501, 5499002, 10998004, 21996008]

約数ペア:

[(1, 21996008), (2, 10998004), (4, 5499002), (8, 2749501), (41, 536488), (82, 268244), (164, 134122), (328, 67061)]