21541170035

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{18719}}^1$

素因数の和:18817

約数の個数: 64

約数和(自身を含む): 33426432000

約数和(自身を除く): 11885261965

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 245, 305, 343, 385, 427, 539, 671, 1715, 2135, 2695, 2989, 3355, 3773, 4697, 14945, 18719, 18865, 20923, 23485, 32879, 93595, 104615, 131033, 164395, 205909, 230153, 655165, 917231, 1029545, 1141859, 1150765, 1441363, 4586155, 5709295, 6420617, 7206815, 7993013, 10089541, 12560449, 32103085, 39965065, 50447705, 55951091, 62802245, 70626787, 87923143, 279755455, 353133935, 391657637, 439615715, 615462001, 1958288185, 3077310005, 4308234007, 21541170035]

約数ペア:

[(1, 21541170035), (5, 4308234007), (7, 3077310005), (11, 1958288185), (35, 615462001), (49, 439615715), (55, 391657637), (61, 353133935), (77, 279755455), (245, 87923143), (305, 70626787), (343, 62802245), (385, 55951091), (427, 50447705), (539, 39965065), (671, 32103085), (1715, 12560449), (2135, 10089541), (2695, 7993013), (2989, 7206815), (3355, 6420617), (3773, 5709295), (4697, 4586155), (14945, 1441363), (18719, 1150765), (18865, 1141859), (20923, 1029545), (23485, 917231), (32879, 655165), (93595, 230153), (104615, 205909), (131033, 164395)]