21685968722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{3221}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 36654399936

約数和(自身を除く): 14968431214

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 647, 946, 1294, 3221, 5203, 6442, 7117, 10406, 14234, 27821, 35431, 55642, 70862, 78287, 138503, 156574, 277006, 306031, 389741, 612062, 779482, 1523533, 2083987, 3047066, 3366341, 4167974, 6732682, 16758863, 22923857, 33517726, 45847714, 89611441, 179222882, 252162427, 504324854, 985725851, 1971451702, 10842984361, 21685968722]

約数ペア:

[(1, 21685968722), (2, 10842984361), (11, 1971451702), (22, 985725851), (43, 504324854), (86, 252162427), (121, 179222882), (242, 89611441), (473, 45847714), (647, 33517726), (946, 22923857), (1294, 16758863), (3221, 6732682), (5203, 4167974), (6442, 3366341), (7117, 3047066), (10406, 2083987), (14234, 1523533), (27821, 779482), (35431, 612062), (55642, 389741), (70862, 306031), (78287, 277006), (138503, 156574)]