21073234

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 21262766

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 139, 182, 221, 238, 278, 343, 442, 637, 686, 833, 973, 1274, 1547, 1666, 1807, 1946, 2363, 3094, 3614, 4459, 4726, 5831, 6811, 8918, 10829, 11662, 12649, 13622, 16541, 21658, 25298, 30719, 33082, 47677, 61438, 75803, 88543, 95354, 115787, 151606, 177086, 215033, 231574, 430066, 619801, 810509, 1239602, 1505231, 1621018, 3010462, 10536617, 21073234]

約数ペア:

[(1, 21073234), (2, 10536617), (7, 3010462), (13, 1621018), (14, 1505231), (17, 1239602), (26, 810509), (34, 619801), (49, 430066), (91, 231574), (98, 215033), (119, 177086), (139, 151606), (182, 115787), (221, 95354), (238, 88543), (278, 75803), (343, 61438), (442, 47677), (637, 33082), (686, 30719), (833, 25298), (973, 21658), (1274, 16541), (1547, 13622), (1666, 12649), (1807, 11662), (1946, 10829), (2363, 8918), (3094, 6811), (3614, 5831), (4459, 4726)]