21242708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3163}}^1$

素因数の和:3263

約数の個数: 24

約数和(自身を含む): 39334848

約数和(自身を除く): 18092140

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3163, 3358, 6326, 6716, 12652, 72749, 145498, 230899, 290996, 461798, 923596, 5310677, 10621354, 21242708]

約数ペア:

[(1, 21242708), (2, 10621354), (4, 5310677), (23, 923596), (46, 461798), (73, 290996), (92, 230899), (146, 145498), (292, 72749), (1679, 12652), (3163, 6716), (3358, 6326)]