21031653032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{509389}}^1$

素因数の和:509805

約数の個数: 32

約数和(自身を含む): 42574816200

約数和(自身を除く): 21543163168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 397, 794, 1588, 3176, 5161, 10322, 20644, 41288, 509389, 1018778, 2037556, 4075112, 6622057, 13244114, 26488228, 52976456, 202227433, 404454866, 808909732, 1617819464, 2628956629, 5257913258, 10515826516, 21031653032]

約数ペア:

[(1, 21031653032), (2, 10515826516), (4, 5257913258), (8, 2628956629), (13, 1617819464), (26, 808909732), (52, 404454866), (104, 202227433), (397, 52976456), (794, 26488228), (1588, 13244114), (3176, 6622057), (5161, 4075112), (10322, 2037556), (20644, 1018778), (41288, 509389)]