21964236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 60512256

約数和(自身を除く): 38548020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 191, 222, 259, 382, 444, 518, 573, 764, 777, 1036, 1146, 1337, 1369, 1554, 2292, 2674, 2738, 3108, 4011, 4107, 5348, 5476, 7067, 8022, 8214, 9583, 14134, 16044, 16428, 19166, 21201, 28268, 28749, 38332, 42402, 49469, 57498, 84804, 98938, 114996, 148407, 197876, 261479, 296814, 522958, 593628, 784437, 1045916, 1568874, 1830353, 3137748, 3660706, 5491059, 7321412, 10982118, 21964236]

約数ペア:

[(1, 21964236), (2, 10982118), (3, 7321412), (4, 5491059), (6, 3660706), (7, 3137748), (12, 1830353), (14, 1568874), (21, 1045916), (28, 784437), (37, 593628), (42, 522958), (74, 296814), (84, 261479), (111, 197876), (148, 148407), (191, 114996), (222, 98938), (259, 84804), (382, 57498), (444, 49469), (518, 42402), (573, 38332), (764, 28749), (777, 28268), (1036, 21201), (1146, 19166), (1337, 16428), (1369, 16044), (1554, 14134), (2292, 9583), (2674, 8214), (2738, 8022), (3108, 7067), (4011, 5476), (4107, 5348)]