20211219

素因数分解:

$3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{593}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 33482592

約数和(自身を除く): 13271373

約数列:

[1, 3, 7, 9, 21, 63, 541, 593, 1623, 1779, 3787, 4151, 4869, 5337, 11361, 12453, 34083, 37359, 320813, 962439, 2245691, 2887317, 6737073, 20211219]

約数ペア:

[(1, 20211219), (3, 6737073), (7, 2887317), (9, 2245691), (21, 962439), (63, 320813), (541, 37359), (593, 34083), (1623, 12453), (1779, 11361), (3787, 5337), (4151, 4869)]