21174076

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 28822724

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 61, 77, 92, 98, 122, 154, 161, 196, 244, 253, 308, 322, 343, 427, 506, 539, 644, 671, 686, 854, 1012, 1078, 1127, 1342, 1372, 1403, 1708, 1771, 2156, 2254, 2684, 2806, 2989, 3542, 3773, 4508, 4697, 5612, 5978, 7084, 7546, 7889, 9394, 9821, 11956, 12397, 15092, 15433, 15778, 18788, 19642, 20923, 24794, 30866, 31556, 32879, 39284, 41846, 49588, 61732, 65758, 68747, 83692, 86779, 108031, 131516, 137494, 173558, 216062, 230153, 274988, 347116, 432124, 460306, 481229, 756217, 920612, 962458, 1512434, 1924916, 3024868, 5293519, 10587038, 21174076]

約数ペア:

[(1, 21174076), (2, 10587038), (4, 5293519), (7, 3024868), (11, 1924916), (14, 1512434), (22, 962458), (23, 920612), (28, 756217), (44, 481229), (46, 460306), (49, 432124), (61, 347116), (77, 274988), (92, 230153), (98, 216062), (122, 173558), (154, 137494), (161, 131516), (196, 108031), (244, 86779), (253, 83692), (308, 68747), (322, 65758), (343, 61732), (427, 49588), (506, 41846), (539, 39284), (644, 32879), (671, 31556), (686, 30866), (854, 24794), (1012, 20923), (1078, 19642), (1127, 18788), (1342, 15778), (1372, 15433), (1403, 15092), (1708, 12397), (1771, 11956), (2156, 9821), (2254, 9394), (2684, 7889), (2806, 7546), (2989, 7084), (3542, 5978), (3773, 5612), (4508, 4697)]