21793864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 21751736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 382, 764, 839, 1528, 1678, 3247, 3356, 6494, 6712, 12988, 14263, 25976, 28526, 57052, 114104, 160249, 320498, 640996, 1281992, 2724233, 5448466, 10896932, 21793864]

約数ペア:

[(1, 21793864), (2, 10896932), (4, 5448466), (8, 2724233), (17, 1281992), (34, 640996), (68, 320498), (136, 160249), (191, 114104), (382, 57052), (764, 28526), (839, 25976), (1528, 14263), (1678, 12988), (3247, 6712), (3356, 6494)]