21884030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1571}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 23389570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1571, 1990, 2786, 3142, 6965, 7855, 10997, 13930, 15710, 21994, 54985, 109970, 312629, 625258, 1563145, 2188403, 3126290, 4376806, 10942015, 21884030]

約数ペア:

[(1, 21884030), (2, 10942015), (5, 4376806), (7, 3126290), (10, 2188403), (14, 1563145), (35, 625258), (70, 312629), (199, 109970), (398, 54985), (995, 21994), (1393, 15710), (1571, 13930), (1990, 10997), (2786, 7855), (3142, 6965)]