2021800851

素因数分解:

$3^3\times 7^1\times {\mathrm{2713}}^1\times {\mathrm{3943}}^1$

素因数の和:6672

約数の個数: 32

約数和(自身を含む): 3425285120

約数和(自身を除く): 1403484269

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2713, 3943, 8139, 11829, 18991, 24417, 27601, 35487, 56973, 73251, 82803, 106461, 170919, 248409, 512757, 745227, 10697359, 32092077, 74881513, 96276231, 224644539, 288828693, 673933617, 2021800851]

約数ペア:

[(1, 2021800851), (3, 673933617), (7, 288828693), (9, 224644539), (21, 96276231), (27, 74881513), (63, 32092077), (189, 10697359), (2713, 745227), (3943, 512757), (8139, 248409), (11829, 170919), (18991, 106461), (24417, 82803), (27601, 73251), (35487, 56973)]