21740312

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 46092480

約数和(自身を除く): 24352168

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 607, 814, 968, 1214, 1628, 2428, 3256, 4477, 4856, 6677, 8954, 13354, 17908, 22459, 26708, 35816, 44918, 53416, 73447, 89836, 146894, 179672, 247049, 293788, 494098, 587576, 988196, 1976392, 2717539, 5435078, 10870156, 21740312]

約数ペア:

[(1, 21740312), (2, 10870156), (4, 5435078), (8, 2717539), (11, 1976392), (22, 988196), (37, 587576), (44, 494098), (74, 293788), (88, 247049), (121, 179672), (148, 146894), (242, 89836), (296, 73447), (407, 53416), (484, 44918), (607, 35816), (814, 26708), (968, 22459), (1214, 17908), (1628, 13354), (2428, 8954), (3256, 6677), (4477, 4856)]