21499812

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{16141}}^1$

素因数の和:16188

約数の個数: 36

約数和(自身を含む): 55819036

約数和(自身を除く): 34319224

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 16141, 32282, 48423, 64564, 96846, 145269, 193692, 290538, 581076, 597217, 1194434, 1791651, 2388868, 3583302, 5374953, 7166604, 10749906, 21499812]

約数ペア:

[(1, 21499812), (2, 10749906), (3, 7166604), (4, 5374953), (6, 3583302), (9, 2388868), (12, 1791651), (18, 1194434), (36, 597217), (37, 581076), (74, 290538), (111, 193692), (148, 145269), (222, 96846), (333, 64564), (444, 48423), (666, 32282), (1332, 16141)]