21497745478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{43397}}^1$

素因数の和:43533

約数の個数: 48

約数和(自身を含む): 37402132320

約数和(自身を除く): 15904386842

約数列:

[1, 2, 11, 22, 23, 46, 89, 121, 178, 242, 253, 506, 979, 1958, 2047, 2783, 4094, 5566, 10769, 21538, 22517, 43397, 45034, 86794, 247687, 477367, 495374, 954734, 998131, 1996262, 3862333, 5251037, 7724666, 10502074, 10979441, 21958882, 42485663, 84971326, 88833659, 120773851, 177667318, 241547702, 467342293, 934684586, 977170249, 1954340498, 10748872739, 21497745478]

約数ペア:

[(1, 21497745478), (2, 10748872739), (11, 1954340498), (22, 977170249), (23, 934684586), (46, 467342293), (89, 241547702), (121, 177667318), (178, 120773851), (242, 88833659), (253, 84971326), (506, 42485663), (979, 21958882), (1958, 10979441), (2047, 10502074), (2783, 7724666), (4094, 5251037), (5566, 3862333), (10769, 1996262), (21538, 998131), (22517, 954734), (43397, 495374), (45034, 477367), (86794, 247687)]