21682332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 63190400

約数和(自身を除く): 41508068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 619, 834, 973, 1238, 1251, 1668, 1857, 1946, 2476, 2502, 2919, 3714, 3892, 4333, 5004, 5571, 5838, 7428, 8666, 8757, 11142, 11676, 12999, 17332, 17514, 22284, 25998, 35028, 38997, 51996, 77994, 86041, 155988, 172082, 258123, 344164, 516246, 602287, 774369, 1032492, 1204574, 1548738, 1806861, 2409148, 3097476, 3613722, 5420583, 7227444, 10841166, 21682332]

約数ペア:

[(1, 21682332), (2, 10841166), (3, 7227444), (4, 5420583), (6, 3613722), (7, 3097476), (9, 2409148), (12, 1806861), (14, 1548738), (18, 1204574), (21, 1032492), (28, 774369), (36, 602287), (42, 516246), (63, 344164), (84, 258123), (126, 172082), (139, 155988), (252, 86041), (278, 77994), (417, 51996), (556, 38997), (619, 35028), (834, 25998), (973, 22284), (1238, 17514), (1251, 17332), (1668, 12999), (1857, 11676), (1946, 11142), (2476, 8757), (2502, 8666), (2919, 7428), (3714, 5838), (3892, 5571), (4333, 5004)]