21072483121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{2687}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 23559782400

約数和(自身を除く): 2487299279

約数列:

[1, 19, 29, 43, 331, 551, 817, 1247, 2687, 6289, 9599, 14233, 23693, 51053, 77923, 115541, 182381, 270427, 412757, 889397, 1480537, 2195279, 3350689, 7842383, 16898543, 25792513, 38244071, 63663091, 490057747, 726637349, 1109078059, 21072483121]

約数ペア:

[(1, 21072483121), (19, 1109078059), (29, 726637349), (43, 490057747), (331, 63663091), (551, 38244071), (817, 25792513), (1247, 16898543), (2687, 7842383), (6289, 3350689), (9599, 2195279), (14233, 1480537), (23693, 889397), (51053, 412757), (77923, 270427), (115541, 182381)]