21053046

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 49535280

約数和(自身を除く): 28482234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 101, 147, 202, 294, 303, 606, 707, 709, 1414, 1418, 2121, 2127, 4242, 4254, 4949, 4963, 9898, 9926, 14847, 14889, 29694, 29778, 34741, 69482, 71609, 104223, 143218, 208446, 214827, 429654, 501263, 1002526, 1503789, 3007578, 3508841, 7017682, 10526523, 21053046]

約数ペア:

[(1, 21053046), (2, 10526523), (3, 7017682), (6, 3508841), (7, 3007578), (14, 1503789), (21, 1002526), (42, 501263), (49, 429654), (98, 214827), (101, 208446), (147, 143218), (202, 104223), (294, 71609), (303, 69482), (606, 34741), (707, 29778), (709, 29694), (1414, 14889), (1418, 14847), (2121, 9926), (2127, 9898), (4242, 4963), (4254, 4949)]