21258486

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51349}}^1$

素因数の和:51380

約数の個数: 24

約数和(自身を含む): 48063600

約数和(自身を除く): 26805114

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51349, 102698, 154047, 308094, 462141, 924282, 1181027, 2362054, 3543081, 7086162, 10629243, 21258486]

約数ペア:

[(1, 21258486), (2, 10629243), (3, 7086162), (6, 3543081), (9, 2362054), (18, 1181027), (23, 924282), (46, 462141), (69, 308094), (138, 154047), (207, 102698), (414, 51349)]