21381036357

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{302261}}^1$

素因数の和:302373

約数の個数: 32

約数和(自身を含む): 32209038720

約数和(自身を除く): 10828002363

約数列:

[1, 3, 17, 19, 51, 57, 73, 219, 323, 969, 1241, 1387, 3723, 4161, 23579, 70737, 302261, 906783, 5138437, 5742959, 15415311, 17228877, 22065053, 66195159, 97630303, 292890909, 375105901, 419236007, 1125317703, 1257708021, 7127012119, 21381036357]

約数ペア:

[(1, 21381036357), (3, 7127012119), (17, 1257708021), (19, 1125317703), (51, 419236007), (57, 375105901), (73, 292890909), (219, 97630303), (323, 66195159), (969, 22065053), (1241, 17228877), (1387, 15415311), (3723, 5742959), (4161, 5138437), (23579, 906783), (70737, 302261)]