21139721570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1\times {\mathrm{3187}}^1$

素因数の和:4535

約数の個数: 64

約数和(自身を含む): 42440288256

約数和(自身を除く): 21300566686

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 1283, 2566, 2585, 3187, 5170, 6374, 6415, 12830, 14113, 15935, 28226, 31870, 35057, 60301, 70114, 70565, 120602, 141130, 149789, 175285, 299578, 301505, 350570, 603010, 663311, 748945, 1326622, 1497890, 1647679, 3295358, 3316555, 4088921, 6633110, 8177842, 8238395, 16476790, 20444605, 40889210, 44978131, 89956262, 192179287, 224890655, 384358574, 449781310, 960896435, 1921792870, 2113972157, 4227944314, 10569860785, 21139721570]

約数ペア:

[(1, 21139721570), (2, 10569860785), (5, 4227944314), (10, 2113972157), (11, 1921792870), (22, 960896435), (47, 449781310), (55, 384358574), (94, 224890655), (110, 192179287), (235, 89956262), (470, 44978131), (517, 40889210), (1034, 20444605), (1283, 16476790), (2566, 8238395), (2585, 8177842), (3187, 6633110), (5170, 4088921), (6374, 3316555), (6415, 3295358), (12830, 1647679), (14113, 1497890), (15935, 1326622), (28226, 748945), (31870, 663311), (35057, 603010), (60301, 350570), (70114, 301505), (70565, 299578), (120602, 175285), (141130, 149789)]