2021036787

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{20981}}^1$

素因数の和:21144

約数の個数: 48

約数和(自身を含む): 3665975040

約数和(自身を除く): 1644938253

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 139, 231, 417, 693, 973, 1251, 1529, 2919, 4587, 8757, 10703, 13761, 20981, 32109, 62943, 96327, 146867, 188829, 230791, 440601, 692373, 1321803, 1615537, 2077119, 2916359, 4846611, 8749077, 14539833, 20414513, 26247231, 32079949, 61243539, 96239847, 183730617, 224559643, 288719541, 673678929, 2021036787]

約数ペア:

[(1, 2021036787), (3, 673678929), (7, 288719541), (9, 224559643), (11, 183730617), (21, 96239847), (33, 61243539), (63, 32079949), (77, 26247231), (99, 20414513), (139, 14539833), (231, 8749077), (417, 4846611), (693, 2916359), (973, 2077119), (1251, 1615537), (1529, 1321803), (2919, 692373), (4587, 440601), (8757, 230791), (10703, 188829), (13761, 146867), (20981, 96327), (32109, 62943)]