21145291292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6786037}}^1$

素因数の和:6786101

約数の個数: 24

約数和(自身を含む): 39901903440

約数和(自身を除く): 18756612148

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6786037, 13572074, 27144148, 128934703, 257869406, 278227517, 515738812, 556455034, 1112910068, 5286322823, 10572645646, 21145291292]

約数ペア:

[(1, 21145291292), (2, 10572645646), (4, 5286322823), (19, 1112910068), (38, 556455034), (41, 515738812), (76, 278227517), (82, 257869406), (164, 128934703), (779, 27144148), (1558, 13572074), (3116, 6786037)]