21115674886724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{15473}}^1\times {\mathrm{10159}}^1$

素因数の和:25761

約数の個数: 96

約数和(自身を含む): 41837021614080

約数和(自身を除く): 20721346727356

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 142, 172, 284, 473, 781, 946, 1562, 1892, 3053, 3124, 6106, 10159, 12212, 15473, 20318, 30946, 33583, 40636, 61892, 67166, 111749, 134332, 170203, 223498, 340406, 436837, 446996, 665339, 680812, 721289, 873674, 1098583, 1330678, 1442578, 1747348, 2197166, 2661356, 2885156, 4394332, 4805207, 7318729, 7934179, 9610414, 12084413, 14637458, 15868358, 19220828, 24168826, 29274916, 31015427, 31736716, 47239069, 48337652, 62030854, 94478138, 124061708, 157190207, 188956276, 314380414, 341169697, 519629759, 628760828, 682339394, 1039259518, 1364678788, 1729092277, 2078519036, 3458184554, 6759178901, 6916369108, 11160504697, 13518357802, 22321009394, 27036715604, 44642018788, 74350967911, 122765551667, 148701935822, 245531103334, 297403871644, 479901701971, 491062206668, 959803403942, 1919606807884, 5278918721681, 10557837443362, 21115674886724]

約数ペア:

[(1, 21115674886724), (2, 10557837443362), (4, 5278918721681), (11, 1919606807884), (22, 959803403942), (43, 491062206668), (44, 479901701971), (71, 297403871644), (86, 245531103334), (142, 148701935822), (172, 122765551667), (284, 74350967911), (473, 44642018788), (781, 27036715604), (946, 22321009394), (1562, 13518357802), (1892, 11160504697), (3053, 6916369108), (3124, 6759178901), (6106, 3458184554), (10159, 2078519036), (12212, 1729092277), (15473, 1364678788), (20318, 1039259518), (30946, 682339394), (33583, 628760828), (40636, 519629759), (61892, 341169697), (67166, 314380414), (111749, 188956276), (134332, 157190207), (170203, 124061708), (223498, 94478138), (340406, 62030854), (436837, 48337652), (446996, 47239069), (665339, 31736716), (680812, 31015427), (721289, 29274916), (873674, 24168826), (1098583, 19220828), (1330678, 15868358), (1442578, 14637458), (1747348, 12084413), (2197166, 9610414), (2661356, 7934179), (2885156, 7318729), (4394332, 4805207)]