21897876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1861

約数の個数: 96

約数和(自身を含む): 68640768

約数和(自身を除く): 46742892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1823, 2002, 3003, 3646, 4004, 5469, 6006, 7292, 10938, 12012, 12761, 20053, 21876, 23699, 25522, 38283, 40106, 47398, 51044, 60159, 71097, 76566, 80212, 94796, 120318, 140371, 142194, 153132, 165893, 240636, 260689, 280742, 284388, 331786, 421113, 497679, 521378, 561484, 663572, 782067, 842226, 995358, 1042756, 1564134, 1684452, 1824823, 1990716, 3128268, 3649646, 5474469, 7299292, 10948938, 21897876]

約数ペア:

[(1, 21897876), (2, 10948938), (3, 7299292), (4, 5474469), (6, 3649646), (7, 3128268), (11, 1990716), (12, 1824823), (13, 1684452), (14, 1564134), (21, 1042756), (22, 995358), (26, 842226), (28, 782067), (33, 663572), (39, 561484), (42, 521378), (44, 497679), (52, 421113), (66, 331786), (77, 284388), (78, 280742), (84, 260689), (91, 240636), (132, 165893), (143, 153132), (154, 142194), (156, 140371), (182, 120318), (231, 94796), (273, 80212), (286, 76566), (308, 71097), (364, 60159), (429, 51044), (462, 47398), (546, 40106), (572, 38283), (858, 25522), (924, 23699), (1001, 21876), (1092, 20053), (1716, 12761), (1823, 12012), (2002, 10938), (3003, 7292), (3646, 6006), (4004, 5469)]