21821804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9953

約数の個数: 24

約数和(自身を含む): 41588400

約数和(自身を除く): 19766596

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9901, 19802, 39604, 188119, 287129, 376238, 574258, 752476, 1148516, 5455451, 10910902, 21821804]

約数ペア:

[(1, 21821804), (2, 10910902), (4, 5455451), (19, 1148516), (29, 752476), (38, 574258), (58, 376238), (76, 287129), (116, 188119), (551, 39604), (1102, 19802), (2204, 9901)]