21323075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 27560736

約数和(自身を除く): 6237661

約数列:

[1, 5, 25, 41, 71, 205, 293, 355, 1025, 1465, 1775, 2911, 7325, 12013, 14555, 20803, 60065, 72775, 104015, 300325, 520075, 852923, 4264615, 21323075]

約数ペア:

[(1, 21323075), (5, 4264615), (25, 852923), (41, 520075), (71, 300325), (205, 104015), (293, 72775), (355, 60065), (1025, 20803), (1465, 14555), (1775, 12013), (2911, 7325)]