21141948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 53663904

約数和(自身を除く): 32521956

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 204, 222, 444, 629, 1258, 1887, 2516, 2801, 3774, 5602, 7548, 8403, 11204, 16806, 33612, 47617, 95234, 103637, 142851, 190468, 207274, 285702, 310911, 414548, 571404, 621822, 1243644, 1761829, 3523658, 5285487, 7047316, 10570974, 21141948]

約数ペア:

[(1, 21141948), (2, 10570974), (3, 7047316), (4, 5285487), (6, 3523658), (12, 1761829), (17, 1243644), (34, 621822), (37, 571404), (51, 414548), (68, 310911), (74, 285702), (102, 207274), (111, 190468), (148, 142851), (204, 103637), (222, 95234), (444, 47617), (629, 33612), (1258, 16806), (1887, 11204), (2516, 8403), (2801, 7548), (3774, 5602)]