21469773

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 11270067

約数列:

[1, 3, 13, 29, 39, 41, 87, 123, 377, 463, 533, 1131, 1189, 1389, 1599, 3567, 6019, 13427, 15457, 18057, 18983, 40281, 46371, 56949, 174551, 246779, 523653, 550507, 740337, 1651521, 7156591, 21469773]

約数ペア:

[(1, 21469773), (3, 7156591), (13, 1651521), (29, 740337), (39, 550507), (41, 523653), (87, 246779), (123, 174551), (377, 56949), (463, 46371), (533, 40281), (1131, 18983), (1189, 18057), (1389, 15457), (1599, 13427), (3567, 6019)]