21813498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4679}}^1$

素因数の和:4731

約数の個数: 48

約数和(自身を含む): 55486080

約数和(自身を除く): 33672582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 4679, 9358, 14037, 28074, 32753, 42111, 65506, 84222, 98259, 173123, 196518, 294777, 346246, 519369, 589554, 1038738, 1211861, 1558107, 2423722, 3116214, 3635583, 7271166, 10906749, 21813498]

約数ペア:

[(1, 21813498), (2, 10906749), (3, 7271166), (6, 3635583), (7, 3116214), (9, 2423722), (14, 1558107), (18, 1211861), (21, 1038738), (37, 589554), (42, 519369), (63, 346246), (74, 294777), (111, 196518), (126, 173123), (222, 98259), (259, 84222), (333, 65506), (518, 42111), (666, 32753), (777, 28074), (1554, 14037), (2331, 9358), (4662, 4679)]