221400018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1757143}}^1$

素因数の和:1757158

約数の個数: 24

約数和(自身を含む): 548228928

約数和(自身を除く): 326828910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1757143, 3514286, 5271429, 10542858, 12300001, 15814287, 24600002, 31628574, 36900003, 73800006, 110700009, 221400018]

約数ペア:

[(1, 221400018), (2, 110700009), (3, 73800006), (6, 36900003), (7, 31628574), (9, 24600002), (14, 15814287), (18, 12300001), (21, 10542858), (42, 5271429), (63, 3514286), (126, 1757143)]