21601636

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24363164

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 719, 812, 1036, 1073, 1438, 2146, 2876, 4292, 5033, 7511, 10066, 15022, 20132, 20851, 26603, 30044, 41702, 53206, 83404, 106412, 145957, 186221, 291914, 372442, 583828, 744884, 771487, 1542974, 3085948, 5400409, 10800818, 21601636]

約数ペア:

[(1, 21601636), (2, 10800818), (4, 5400409), (7, 3085948), (14, 1542974), (28, 771487), (29, 744884), (37, 583828), (58, 372442), (74, 291914), (116, 186221), (148, 145957), (203, 106412), (259, 83404), (406, 53206), (518, 41702), (719, 30044), (812, 26603), (1036, 20851), (1073, 20132), (1438, 15022), (2146, 10066), (2876, 7511), (4292, 5033)]