20211807

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1483}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13979553

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1483, 1947, 4449, 4543, 10381, 13629, 16313, 31143, 48939, 87497, 114191, 262491, 342573, 612479, 962467, 1837437, 2887401, 6737269, 20211807]

約数ペア:

[(1, 20211807), (3, 6737269), (7, 2887401), (11, 1837437), (21, 962467), (33, 612479), (59, 342573), (77, 262491), (177, 114191), (231, 87497), (413, 48939), (649, 31143), (1239, 16313), (1483, 13629), (1947, 10381), (4449, 4543)]