21590964

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20681}}^1$

素因数の和:20720

約数の個数: 36

約数和(自身を含む): 56461860

約数和(自身を除く): 34870896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20681, 41362, 62043, 82724, 124086, 186129, 248172, 372258, 599749, 744516, 1199498, 1799247, 2398996, 3598494, 5397741, 7196988, 10795482, 21590964]

約数ペア:

[(1, 21590964), (2, 10795482), (3, 7196988), (4, 5397741), (6, 3598494), (9, 2398996), (12, 1799247), (18, 1199498), (29, 744516), (36, 599749), (58, 372258), (87, 248172), (116, 186129), (174, 124086), (261, 82724), (348, 62043), (522, 41362), (1044, 20681)]