21817166

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 16890034

約数列:

[1, 2, 7, 14, 41, 82, 191, 199, 287, 382, 398, 574, 1337, 1393, 2674, 2786, 7831, 8159, 15662, 16318, 38009, 54817, 57113, 76018, 109634, 114226, 266063, 532126, 1558369, 3116738, 10908583, 21817166]

約数ペア:

[(1, 21817166), (2, 10908583), (7, 3116738), (14, 1558369), (41, 532126), (82, 266063), (191, 114226), (199, 109634), (287, 76018), (382, 57113), (398, 54817), (574, 38009), (1337, 16318), (1393, 15662), (2674, 8159), (2786, 7831)]