21252714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7127}}^1$

素因数の和:7210

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 28016022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7127, 14254, 21381, 42762, 49889, 99778, 149667, 299334, 506017, 1012034, 1518051, 3036102, 3542119, 7084238, 10626357, 21252714]

約数ペア:

[(1, 21252714), (2, 10626357), (3, 7084238), (6, 3542119), (7, 3036102), (14, 1518051), (21, 1012034), (42, 506017), (71, 299334), (142, 149667), (213, 99778), (426, 49889), (497, 42762), (994, 21381), (1491, 14254), (2982, 7127)]