21397002

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 28507638

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 113, 114, 151, 209, 226, 302, 339, 418, 453, 627, 678, 906, 1243, 1254, 1661, 2147, 2486, 2869, 3322, 3729, 4294, 4983, 5738, 6441, 7458, 8607, 9966, 12882, 17063, 17214, 23617, 31559, 34126, 47234, 51189, 63118, 70851, 94677, 102378, 141702, 187693, 189354, 324197, 375386, 563079, 648394, 972591, 1126158, 1945182, 3566167, 7132334, 10698501, 21397002]

約数ペア:

[(1, 21397002), (2, 10698501), (3, 7132334), (6, 3566167), (11, 1945182), (19, 1126158), (22, 972591), (33, 648394), (38, 563079), (57, 375386), (66, 324197), (113, 189354), (114, 187693), (151, 141702), (209, 102378), (226, 94677), (302, 70851), (339, 63118), (418, 51189), (453, 47234), (627, 34126), (678, 31559), (906, 23617), (1243, 17214), (1254, 17063), (1661, 12882), (2147, 9966), (2486, 8607), (2869, 7458), (3322, 6441), (3729, 5738), (4294, 4983)]