21985496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1181}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 44679600

約数和(自身を除く): 22694104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1181, 1432, 2327, 2362, 4654, 4724, 9308, 9448, 15353, 18616, 30706, 61412, 122824, 211399, 422798, 845596, 1691192, 2748187, 5496374, 10992748, 21985496]

約数ペア:

[(1, 21985496), (2, 10992748), (4, 5496374), (8, 2748187), (13, 1691192), (26, 845596), (52, 422798), (104, 211399), (179, 122824), (358, 61412), (716, 30706), (1181, 18616), (1432, 15353), (2327, 9448), (2362, 9308), (4654, 4724)]