21969882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 56407104

約数和(自身を除く): 34437222

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 61, 66, 99, 102, 107, 122, 153, 183, 187, 198, 214, 306, 321, 366, 374, 549, 561, 642, 671, 963, 1037, 1098, 1122, 1177, 1342, 1683, 1819, 1926, 2013, 2074, 2354, 3111, 3366, 3531, 3638, 4026, 5457, 6039, 6222, 6527, 7062, 9333, 10593, 10914, 11407, 12078, 13054, 16371, 18666, 19581, 20009, 21186, 22814, 32742, 34221, 39162, 40018, 58743, 60027, 68442, 71797, 102663, 110959, 117486, 120054, 143594, 180081, 205326, 215391, 221918, 332877, 360162, 430782, 646173, 665754, 998631, 1220549, 1292346, 1997262, 2441098, 3661647, 7323294, 10984941, 21969882]

約数ペア:

[(1, 21969882), (2, 10984941), (3, 7323294), (6, 3661647), (9, 2441098), (11, 1997262), (17, 1292346), (18, 1220549), (22, 998631), (33, 665754), (34, 646173), (51, 430782), (61, 360162), (66, 332877), (99, 221918), (102, 215391), (107, 205326), (122, 180081), (153, 143594), (183, 120054), (187, 117486), (198, 110959), (214, 102663), (306, 71797), (321, 68442), (366, 60027), (374, 58743), (549, 40018), (561, 39162), (642, 34221), (671, 32742), (963, 22814), (1037, 21186), (1098, 20009), (1122, 19581), (1177, 18666), (1342, 16371), (1683, 13054), (1819, 12078), (1926, 11407), (2013, 10914), (2074, 10593), (2354, 9333), (3111, 7062), (3366, 6527), (3531, 6222), (3638, 6039), (4026, 5457)]