21546

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1$

素因数の和:40

約数の個数: 40

約数和(自身を含む): 58080

約数和(自身を除く): 36534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 7182, 10773, 21546]

約数ペア:

[(1, 21546), (2, 10773), (3, 7182), (6, 3591), (7, 3078), (9, 2394), (14, 1539), (18, 1197), (19, 1134), (21, 1026), (27, 798), (38, 567), (42, 513), (54, 399), (57, 378), (63, 342), (81, 266), (114, 189), (126, 171), (133, 162)]