21436700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4561}}^1$

素因数の和:4622

約数の個数: 36

約数和(自身を含む): 47517792

約数和(自身を除く): 26081092

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4561, 4700, 9122, 18244, 22805, 45610, 91220, 114025, 214367, 228050, 428734, 456100, 857468, 1071835, 2143670, 4287340, 5359175, 10718350, 21436700]

約数ペア:

[(1, 21436700), (2, 10718350), (4, 5359175), (5, 4287340), (10, 2143670), (20, 1071835), (25, 857468), (47, 456100), (50, 428734), (94, 228050), (100, 214367), (188, 114025), (235, 91220), (470, 45610), (940, 22805), (1175, 18244), (2350, 9122), (4561, 4700)]