21605418

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2269}}^1$

素因数の和:2323

約数の個数: 36

約数和(自身を含む): 48957090

約数和(自身を除く): 27351672

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2269, 3174, 4538, 4761, 6807, 9522, 13614, 20421, 40842, 52187, 104374, 156561, 313122, 469683, 939366, 1200301, 2400602, 3600903, 7201806, 10802709, 21605418]

約数ペア:

[(1, 21605418), (2, 10802709), (3, 7201806), (6, 3600903), (9, 2400602), (18, 1200301), (23, 939366), (46, 469683), (69, 313122), (138, 156561), (207, 104374), (414, 52187), (529, 40842), (1058, 20421), (1587, 13614), (2269, 9522), (3174, 6807), (4538, 4761)]