21425930

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 39628224

約数和(自身を除く): 18202294

約数列:

[1, 2, 5, 10, 67, 113, 134, 226, 283, 335, 565, 566, 670, 1130, 1415, 2830, 7571, 15142, 18961, 31979, 37855, 37922, 63958, 75710, 94805, 159895, 189610, 319790, 2142593, 4285186, 10712965, 21425930]

約数ペア:

[(1, 21425930), (2, 10712965), (5, 4285186), (10, 2142593), (67, 319790), (113, 189610), (134, 159895), (226, 94805), (283, 75710), (335, 63958), (565, 37922), (566, 37855), (670, 31979), (1130, 18961), (1415, 15142), (2830, 7571)]