21803138

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 39216000

約数和(自身を除く): 17412862

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 859, 1718, 1813, 3626, 6013, 12026, 12691, 25382, 31783, 42091, 63566, 84182, 222481, 294637, 444962, 589274, 1557367, 3114734, 10901569, 21803138]

約数ペア:

[(1, 21803138), (2, 10901569), (7, 3114734), (14, 1557367), (37, 589274), (49, 444962), (74, 294637), (98, 222481), (259, 84182), (343, 63566), (518, 42091), (686, 31783), (859, 25382), (1718, 12691), (1813, 12026), (3626, 6013)]