21787703056

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1784707}}^1$

素因数の和:1784831

約数の個数: 40

約数和(自身を含む): 48686834240

約数和(自身を除く): 26899131184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 1784707, 3569414, 7138828, 12492949, 14277656, 24985898, 28555312, 49971796, 99943592, 194533063, 199887184, 389066126, 778132252, 1361731441, 1556264504, 2723462882, 3112529008, 5446925764, 10893851528, 21787703056]

約数ペア:

[(1, 21787703056), (2, 10893851528), (4, 5446925764), (7, 3112529008), (8, 2723462882), (14, 1556264504), (16, 1361731441), (28, 778132252), (56, 389066126), (109, 199887184), (112, 194533063), (218, 99943592), (436, 49971796), (763, 28555312), (872, 24985898), (1526, 14277656), (1744, 12492949), (3052, 7138828), (6104, 3569414), (12208, 1784707)]