21539104

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16417}}^1$

素因数の和:16468

約数の個数: 24

約数和(自身を含む): 43442028

約数和(自身を除く): 21902924

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16417, 32834, 65668, 131336, 262672, 525344, 673097, 1346194, 2692388, 5384776, 10769552, 21539104]

約数ペア:

[(1, 21539104), (2, 10769552), (4, 5384776), (8, 2692388), (16, 1346194), (32, 673097), (41, 525344), (82, 262672), (164, 131336), (328, 65668), (656, 32834), (1312, 16417)]