21158148

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 54492480

約数和(自身を除く): 33334332

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1801, 1958, 2937, 3602, 3916, 5403, 5874, 7204, 10806, 11748, 19811, 21612, 39622, 59433, 79244, 118866, 160289, 237732, 320578, 480867, 641156, 961734, 1763179, 1923468, 3526358, 5289537, 7052716, 10579074, 21158148]

約数ペア:

[(1, 21158148), (2, 10579074), (3, 7052716), (4, 5289537), (6, 3526358), (11, 1923468), (12, 1763179), (22, 961734), (33, 641156), (44, 480867), (66, 320578), (89, 237732), (132, 160289), (178, 118866), (267, 79244), (356, 59433), (534, 39622), (979, 21612), (1068, 19811), (1801, 11748), (1958, 10806), (2937, 7204), (3602, 5874), (3916, 5403)]