21759820964

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{75619}}^1$

素因数の和:75912

約数の個数: 48

約数和(自身を含む): 44718643200

約数和(自身を除く): 22958822236

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 239, 301, 478, 602, 956, 1204, 1673, 3346, 6692, 10277, 20554, 41108, 71939, 75619, 143878, 151238, 287756, 302476, 529333, 1058666, 2117332, 3251617, 6503234, 13006468, 18072941, 22761319, 36145882, 45522638, 72291764, 91045276, 126510587, 253021174, 506042348, 777136463, 1554272926, 3108545852, 5439955241, 10879910482, 21759820964]

約数ペア:

[(1, 21759820964), (2, 10879910482), (4, 5439955241), (7, 3108545852), (14, 1554272926), (28, 777136463), (43, 506042348), (86, 253021174), (172, 126510587), (239, 91045276), (301, 72291764), (478, 45522638), (602, 36145882), (956, 22761319), (1204, 18072941), (1673, 13006468), (3346, 6503234), (6692, 3251617), (10277, 2117332), (20554, 1058666), (41108, 529333), (71939, 302476), (75619, 287756), (143878, 151238)]