21986298

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2309}}^1$

素因数の和:2363

約数の個数: 36

約数和(自身を含む): 49819770

約数和(自身を除く): 27833472

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2309, 3174, 4618, 4761, 6927, 9522, 13854, 20781, 41562, 53107, 106214, 159321, 318642, 477963, 955926, 1221461, 2442922, 3664383, 7328766, 10993149, 21986298]

約数ペア:

[(1, 21986298), (2, 10993149), (3, 7328766), (6, 3664383), (9, 2442922), (18, 1221461), (23, 955926), (46, 477963), (69, 318642), (138, 159321), (207, 106214), (414, 53107), (529, 41562), (1058, 20781), (1587, 13854), (2309, 9522), (3174, 6927), (4618, 4761)]