21582119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 5029081

約数列:

[1, 13, 19, 23, 29, 131, 247, 299, 377, 437, 551, 667, 1703, 2489, 3013, 3799, 5681, 7163, 8671, 12673, 32357, 39169, 49387, 57247, 72181, 87377, 164749, 744211, 938353, 1135901, 1660163, 21582119]

約数ペア:

[(1, 21582119), (13, 1660163), (19, 1135901), (23, 938353), (29, 744211), (131, 164749), (247, 87377), (299, 72181), (377, 57247), (437, 49387), (551, 39169), (667, 32357), (1703, 12673), (2489, 8671), (3013, 7163), (3799, 5681)]