21369504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17123}}^1$

素因数の和:17149

約数の個数: 48

約数和(自身を含む): 60413472

約数和(自身を除く): 39043968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17123, 34246, 51369, 68492, 102738, 136984, 205476, 222599, 273968, 410952, 445198, 547936, 667797, 821904, 890396, 1335594, 1643808, 1780792, 2671188, 3561584, 5342376, 7123168, 10684752, 21369504]

約数ペア:

[(1, 21369504), (2, 10684752), (3, 7123168), (4, 5342376), (6, 3561584), (8, 2671188), (12, 1780792), (13, 1643808), (16, 1335594), (24, 890396), (26, 821904), (32, 667797), (39, 547936), (48, 445198), (52, 410952), (78, 273968), (96, 222599), (104, 205476), (156, 136984), (208, 102738), (312, 68492), (416, 51369), (624, 34246), (1248, 17123)]