21986451984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1768537}}^1$

素因数の和:1768592

約数の個数: 80

約数和(自身を含む): 66666808448

約数和(自身を除く): 44680356464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 3108, 4144, 6216, 12432, 1768537, 3537074, 5305611, 7074148, 10611222, 12379759, 14148296, 21222444, 24759518, 28296592, 37139277, 42444888, 49519036, 65435869, 74278554, 84889776, 99038072, 130871738, 148557108, 196307607, 198076144, 261743476, 297114216, 392615214, 458051083, 523486952, 594228432, 785230428, 916102166, 1046973904, 1374153249, 1570460856, 1832204332, 2748306498, 3140921712, 3664408664, 5496612996, 7328817328, 10993225992, 21986451984]

約数ペア:

[(1, 21986451984), (2, 10993225992), (3, 7328817328), (4, 5496612996), (6, 3664408664), (7, 3140921712), (8, 2748306498), (12, 1832204332), (14, 1570460856), (16, 1374153249), (21, 1046973904), (24, 916102166), (28, 785230428), (37, 594228432), (42, 523486952), (48, 458051083), (56, 392615214), (74, 297114216), (84, 261743476), (111, 198076144), (112, 196307607), (148, 148557108), (168, 130871738), (222, 99038072), (259, 84889776), (296, 74278554), (336, 65435869), (444, 49519036), (518, 42444888), (592, 37139277), (777, 28296592), (888, 24759518), (1036, 21222444), (1554, 14148296), (1776, 12379759), (2072, 10611222), (3108, 7074148), (4144, 5305611), (6216, 3537074), (12432, 1768537)]