21536937

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 35006400

約数和(自身を除く): 13469463

約数列:

[1, 3, 9, 19, 29, 43, 57, 87, 101, 129, 171, 261, 303, 387, 551, 817, 909, 1247, 1653, 1919, 2451, 2929, 3741, 4343, 4959, 5757, 7353, 8787, 11223, 13029, 17271, 23693, 26361, 39087, 55651, 71079, 82517, 125947, 166953, 213237, 247551, 377841, 500859, 742653, 1133523, 2392993, 7178979, 21536937]

約数ペア:

[(1, 21536937), (3, 7178979), (9, 2392993), (19, 1133523), (29, 742653), (43, 500859), (57, 377841), (87, 247551), (101, 213237), (129, 166953), (171, 125947), (261, 82517), (303, 71079), (387, 55651), (551, 39087), (817, 26361), (909, 23693), (1247, 17271), (1653, 13029), (1919, 11223), (2451, 8787), (2929, 7353), (3741, 5757), (4343, 4959)]