21446628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 57523200

約数和(自身を除く): 36076572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1283, 1393, 2388, 2566, 2786, 3849, 4179, 5132, 5572, 7698, 8358, 8981, 15396, 16716, 17962, 26943, 35924, 53886, 107772, 255317, 510634, 765951, 1021268, 1531902, 1787219, 3063804, 3574438, 5361657, 7148876, 10723314, 21446628]

約数ペア:

[(1, 21446628), (2, 10723314), (3, 7148876), (4, 5361657), (6, 3574438), (7, 3063804), (12, 1787219), (14, 1531902), (21, 1021268), (28, 765951), (42, 510634), (84, 255317), (199, 107772), (398, 53886), (597, 35924), (796, 26943), (1194, 17962), (1283, 16716), (1393, 15396), (2388, 8981), (2566, 8358), (2786, 7698), (3849, 5572), (4179, 5132)]