21270291540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20853227}}^1$

素因数の和:20853256

約数の個数: 48

約数和(自身を含む): 63060161472

約数和(自身を除く): 41789869932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20853227, 41706454, 62559681, 83412908, 104266135, 125119362, 208532270, 250238724, 312798405, 354504859, 417064540, 625596810, 709009718, 1063514577, 1251193620, 1418019436, 1772524295, 2127029154, 3545048590, 4254058308, 5317572885, 7090097180, 10635145770, 21270291540]

約数ペア:

[(1, 21270291540), (2, 10635145770), (3, 7090097180), (4, 5317572885), (5, 4254058308), (6, 3545048590), (10, 2127029154), (12, 1772524295), (15, 1418019436), (17, 1251193620), (20, 1063514577), (30, 709009718), (34, 625596810), (51, 417064540), (60, 354504859), (68, 312798405), (85, 250238724), (102, 208532270), (170, 125119362), (204, 104266135), (255, 83412908), (340, 62559681), (510, 41706454), (1020, 20853227)]