21951690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3677}}^1$

素因数の和:3886

約数の個数: 32

約数和(自身を含む): 52963200

約数和(自身を除く): 31011510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3677, 5970, 7354, 11031, 18385, 22062, 36770, 55155, 110310, 731723, 1463446, 2195169, 3658615, 4390338, 7317230, 10975845, 21951690]

約数ペア:

[(1, 21951690), (2, 10975845), (3, 7317230), (5, 4390338), (6, 3658615), (10, 2195169), (15, 1463446), (30, 731723), (199, 110310), (398, 55155), (597, 36770), (995, 22062), (1194, 18385), (1990, 11031), (2985, 7354), (3677, 5970)]