21697696

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 23783264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 254, 281, 304, 508, 562, 608, 1016, 1124, 2032, 2248, 2413, 4064, 4496, 4826, 5339, 8992, 9652, 10678, 19304, 21356, 35687, 38608, 42712, 71374, 77216, 85424, 142748, 170848, 285496, 570992, 678053, 1141984, 1356106, 2712212, 5424424, 10848848, 21697696]

約数ペア:

[(1, 21697696), (2, 10848848), (4, 5424424), (8, 2712212), (16, 1356106), (19, 1141984), (32, 678053), (38, 570992), (76, 285496), (127, 170848), (152, 142748), (254, 85424), (281, 77216), (304, 71374), (508, 42712), (562, 38608), (608, 35687), (1016, 21356), (1124, 19304), (2032, 10678), (2248, 9652), (2413, 8992), (4064, 5339), (4496, 4826)]