21513470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 42464736

約数和(自身を除く): 20951266

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 761, 1285, 1522, 2570, 2827, 3805, 5654, 7610, 8371, 14135, 16742, 28270, 41855, 83710, 195577, 391154, 977885, 1955770, 2151347, 4302694, 10756735, 21513470]

約数ペア:

[(1, 21513470), (2, 10756735), (5, 4302694), (10, 2151347), (11, 1955770), (22, 977885), (55, 391154), (110, 195577), (257, 83710), (514, 41855), (761, 28270), (1285, 16742), (1522, 14135), (2570, 8371), (2827, 7610), (3805, 5654)]