21137032

素因数分解:

$2^3\times 7^3\times {\mathrm{7703}}^1$

素因数の和:7730

約数の個数: 32

約数和(自身を含む): 46224000

約数和(自身を除く): 25086968

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7703, 15406, 30812, 53921, 61624, 107842, 215684, 377447, 431368, 754894, 1509788, 2642129, 3019576, 5284258, 10568516, 21137032]

約数ペア:

[(1, 21137032), (2, 10568516), (4, 5284258), (7, 3019576), (8, 2642129), (14, 1509788), (28, 754894), (49, 431368), (56, 377447), (98, 215684), (196, 107842), (343, 61624), (392, 53921), (686, 30812), (1372, 15406), (2744, 7703)]