21141918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55931}}^1$

素因数の和:55949

約数の個数: 32

約数和(自身を含む): 53694720

約数和(自身を除く): 32552802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55931, 111862, 167793, 335586, 391517, 503379, 783034, 1006758, 1174551, 1510137, 2349102, 3020274, 3523653, 7047306, 10570959, 21141918]

約数ペア:

[(1, 21141918), (2, 10570959), (3, 7047306), (6, 3523653), (7, 3020274), (9, 2349102), (14, 1510137), (18, 1174551), (21, 1006758), (27, 783034), (42, 503379), (54, 391517), (63, 335586), (126, 167793), (189, 111862), (378, 55931)]