21027174

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1933}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 50268528

約数和(自身を除く): 29241354

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 1933, 3626, 3866, 5439, 5799, 10878, 11598, 13531, 27062, 40593, 71521, 81186, 94717, 143042, 189434, 214563, 284151, 429126, 500647, 568302, 1001294, 1501941, 3003882, 3504529, 7009058, 10513587, 21027174]

約数ペア:

[(1, 21027174), (2, 10513587), (3, 7009058), (6, 3504529), (7, 3003882), (14, 1501941), (21, 1001294), (37, 568302), (42, 500647), (49, 429126), (74, 284151), (98, 214563), (111, 189434), (147, 143042), (222, 94717), (259, 81186), (294, 71521), (518, 40593), (777, 27062), (1554, 13531), (1813, 11598), (1933, 10878), (3626, 5799), (3866, 5439)]