21051468

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10259}}^1$

素因数の和:10291

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 36404532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10259, 20518, 30777, 41036, 61554, 92331, 123108, 184662, 194921, 276993, 369324, 389842, 553986, 584763, 779684, 1107972, 1169526, 1754289, 2339052, 3508578, 5262867, 7017156, 10525734, 21051468]

約数ペア:

[(1, 21051468), (2, 10525734), (3, 7017156), (4, 5262867), (6, 3508578), (9, 2339052), (12, 1754289), (18, 1169526), (19, 1107972), (27, 779684), (36, 584763), (38, 553986), (54, 389842), (57, 369324), (76, 276993), (108, 194921), (114, 184662), (171, 123108), (228, 92331), (342, 61554), (513, 41036), (684, 30777), (1026, 20518), (2052, 10259)]