21318052

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9173}}^1$

素因数の和:9267

約数の個数: 24

約数和(自身を含む): 43154496

約数和(自身を除く): 21836444

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9173, 18346, 36692, 64211, 128422, 256844, 761359, 1522718, 3045436, 5329513, 10659026, 21318052]

約数ペア:

[(1, 21318052), (2, 10659026), (4, 5329513), (7, 3045436), (14, 1522718), (28, 761359), (83, 256844), (166, 128422), (332, 64211), (581, 36692), (1162, 18346), (2324, 9173)]