21042294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2267}}^1$

素因数の和:2309

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 33825162

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2267, 3094, 4534, 4641, 6801, 9282, 13602, 15869, 29471, 31738, 38539, 47607, 58942, 77078, 88413, 95214, 115617, 176826, 206297, 231234, 269773, 412594, 501007, 539546, 618891, 809319, 1002014, 1237782, 1503021, 1618638, 3006042, 3507049, 7014098, 10521147, 21042294]

約数ペア:

[(1, 21042294), (2, 10521147), (3, 7014098), (6, 3507049), (7, 3006042), (13, 1618638), (14, 1503021), (17, 1237782), (21, 1002014), (26, 809319), (34, 618891), (39, 539546), (42, 501007), (51, 412594), (78, 269773), (91, 231234), (102, 206297), (119, 176826), (182, 115617), (221, 95214), (238, 88413), (273, 77078), (357, 58942), (442, 47607), (546, 38539), (663, 31738), (714, 29471), (1326, 15869), (1547, 13602), (2267, 9282), (3094, 6801), (4534, 4641)]