21748144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4261}}^1$

素因数の和:4309

約数の個数: 40

約数和(自身を含む): 47563920

約数和(自身を除く): 25815776

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4261, 5104, 8522, 17044, 34088, 46871, 68176, 93742, 123569, 187484, 247138, 374968, 494276, 749936, 988552, 1359259, 1977104, 2718518, 5437036, 10874072, 21748144]

約数ペア:

[(1, 21748144), (2, 10874072), (4, 5437036), (8, 2718518), (11, 1977104), (16, 1359259), (22, 988552), (29, 749936), (44, 494276), (58, 374968), (88, 247138), (116, 187484), (176, 123569), (232, 93742), (319, 68176), (464, 46871), (638, 34088), (1276, 17044), (2552, 8522), (4261, 5104)]