21488103756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1397873}}^1$

素因数の和:1397951

約数の個数: 72

約数和(自身を含む): 63094440864

約数和(自身を除く): 41606337108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372, 1397873, 2795746, 4193619, 5591492, 8387238, 9785111, 12580857, 16774476, 19570222, 25161714, 29355333, 39140444, 50323428, 58710666, 85270253, 88065999, 117421332, 170540506, 176131998, 255810759, 341081012, 352263996, 511621518, 596891771, 767432277, 1023243036, 1193783542, 1534864554, 1790675313, 2387567084, 3069729108, 3581350626, 5372025939, 7162701252, 10744051878, 21488103756]

約数ペア:

[(1, 21488103756), (2, 10744051878), (3, 7162701252), (4, 5372025939), (6, 3581350626), (7, 3069729108), (9, 2387567084), (12, 1790675313), (14, 1534864554), (18, 1193783542), (21, 1023243036), (28, 767432277), (36, 596891771), (42, 511621518), (61, 352263996), (63, 341081012), (84, 255810759), (122, 176131998), (126, 170540506), (183, 117421332), (244, 88065999), (252, 85270253), (366, 58710666), (427, 50323428), (549, 39140444), (732, 29355333), (854, 25161714), (1098, 19570222), (1281, 16774476), (1708, 12580857), (2196, 9785111), (2562, 8387238), (3843, 5591492), (5124, 4193619), (7686, 2795746), (15372, 1397873)]