21000663448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1178753}}^1$

素因数の和:1178907

約数の個数: 32

約数和(自身を含む): 42010792560

約数和(自身を除く): 21010129112

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 8908, 17816, 1178753, 2357506, 4715012, 9430024, 20038801, 40077602, 80155204, 154416643, 160310408, 308833286, 617666572, 1235333144, 2625082931, 5250165862, 10500331724, 21000663448]

約数ペア:

[(1, 21000663448), (2, 10500331724), (4, 5250165862), (8, 2625082931), (17, 1235333144), (34, 617666572), (68, 308833286), (131, 160310408), (136, 154416643), (262, 80155204), (524, 40077602), (1048, 20038801), (2227, 9430024), (4454, 4715012), (8908, 2357506), (17816, 1178753)]