21132090

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3727}}^1$

素因数の和:3753

約数の個数: 80

約数和(自身を含む): 64956672

約数和(自身を除く): 43824582

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3727, 5670, 7454, 11181, 18635, 22362, 26089, 33543, 37270, 52178, 55905, 67086, 78267, 100629, 111810, 130445, 156534, 167715, 201258, 234801, 260890, 301887, 335430, 391335, 469602, 503145, 603774, 704403, 782670, 1006290, 1174005, 1408806, 1509435, 2113209, 2348010, 3018870, 3522015, 4226418, 7044030, 10566045, 21132090]

約数ペア:

[(1, 21132090), (2, 10566045), (3, 7044030), (5, 4226418), (6, 3522015), (7, 3018870), (9, 2348010), (10, 2113209), (14, 1509435), (15, 1408806), (18, 1174005), (21, 1006290), (27, 782670), (30, 704403), (35, 603774), (42, 503145), (45, 469602), (54, 391335), (63, 335430), (70, 301887), (81, 260890), (90, 234801), (105, 201258), (126, 167715), (135, 156534), (162, 130445), (189, 111810), (210, 100629), (270, 78267), (315, 67086), (378, 55905), (405, 52178), (567, 37270), (630, 33543), (810, 26089), (945, 22362), (1134, 18635), (1890, 11181), (2835, 7454), (3727, 5670)]