21145992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 39679608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 659, 764, 1146, 1318, 1337, 1528, 1977, 2292, 2636, 2674, 3954, 4011, 4584, 4613, 5272, 5348, 7908, 8022, 9226, 10696, 13839, 15816, 16044, 18452, 27678, 32088, 36904, 55356, 110712, 125869, 251738, 377607, 503476, 755214, 881083, 1006952, 1510428, 1762166, 2643249, 3020856, 3524332, 5286498, 7048664, 10572996, 21145992]

約数ペア:

[(1, 21145992), (2, 10572996), (3, 7048664), (4, 5286498), (6, 3524332), (7, 3020856), (8, 2643249), (12, 1762166), (14, 1510428), (21, 1006952), (24, 881083), (28, 755214), (42, 503476), (56, 377607), (84, 251738), (168, 125869), (191, 110712), (382, 55356), (573, 36904), (659, 32088), (764, 27678), (1146, 18452), (1318, 16044), (1337, 15816), (1528, 13839), (1977, 10696), (2292, 9226), (2636, 8022), (2674, 7908), (3954, 5348), (4011, 5272), (4584, 4613)]