21228852

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5520

約数の個数: 48

約数和(自身を含む): 55218240

約数和(自身を除く): 33989388

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5477, 10954, 16431, 21908, 32862, 65724, 93109, 104063, 186218, 208126, 279327, 312189, 372436, 416252, 558654, 624378, 1117308, 1248756, 1769071, 3538142, 5307213, 7076284, 10614426, 21228852]

約数ペア:

[(1, 21228852), (2, 10614426), (3, 7076284), (4, 5307213), (6, 3538142), (12, 1769071), (17, 1248756), (19, 1117308), (34, 624378), (38, 558654), (51, 416252), (57, 372436), (68, 312189), (76, 279327), (102, 208126), (114, 186218), (204, 104063), (228, 93109), (323, 65724), (646, 32862), (969, 21908), (1292, 16431), (1938, 10954), (3876, 5477)]