21688716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8329}}^1$

素因数の和:8374

約数の個数: 48

約数和(自身を含む): 59709440

約数和(自身を除く): 38020724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8329, 16658, 24987, 33316, 49974, 58303, 99948, 116606, 174909, 233212, 258199, 349818, 516398, 699636, 774597, 1032796, 1549194, 1807393, 3098388, 3614786, 5422179, 7229572, 10844358, 21688716]

約数ペア:

[(1, 21688716), (2, 10844358), (3, 7229572), (4, 5422179), (6, 3614786), (7, 3098388), (12, 1807393), (14, 1549194), (21, 1032796), (28, 774597), (31, 699636), (42, 516398), (62, 349818), (84, 258199), (93, 233212), (124, 174909), (186, 116606), (217, 99948), (372, 58303), (434, 49974), (651, 33316), (868, 24987), (1302, 16658), (2604, 8329)]