21194776

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 41840640

約数和(自身を除く): 20645864

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 508, 907, 1016, 1814, 2921, 3628, 5842, 7256, 11684, 20861, 23368, 41722, 83444, 115189, 166888, 230378, 460756, 921512, 2649347, 5298694, 10597388, 21194776]

約数ペア:

[(1, 21194776), (2, 10597388), (4, 5298694), (8, 2649347), (23, 921512), (46, 460756), (92, 230378), (127, 166888), (184, 115189), (254, 83444), (508, 41722), (907, 23368), (1016, 20861), (1814, 11684), (2921, 7256), (3628, 5842)]