21542235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 41319936

約数和(自身を除く): 19777701

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 83, 121, 143, 165, 195, 249, 363, 415, 429, 605, 715, 913, 1079, 1245, 1331, 1573, 1815, 2145, 2739, 3237, 3993, 4565, 4719, 5395, 6655, 7865, 10043, 11869, 13695, 16185, 17303, 19965, 23595, 30129, 35607, 50215, 51909, 59345, 86515, 110473, 130559, 150645, 178035, 259545, 331419, 391677, 552365, 652795, 1436149, 1657095, 1958385, 4308447, 7180745, 21542235]

約数ペア:

[(1, 21542235), (3, 7180745), (5, 4308447), (11, 1958385), (13, 1657095), (15, 1436149), (33, 652795), (39, 552365), (55, 391677), (65, 331419), (83, 259545), (121, 178035), (143, 150645), (165, 130559), (195, 110473), (249, 86515), (363, 59345), (415, 51909), (429, 50215), (605, 35607), (715, 30129), (913, 23595), (1079, 19965), (1245, 17303), (1331, 16185), (1573, 13695), (1815, 11869), (2145, 10043), (2739, 7865), (3237, 6655), (3993, 5395), (4565, 4719)]