210798

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{239}}^1$

素因数の和:261

約数の個数: 36

約数和(自身を含む): 533520

約数和(自身を除く): 322722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 239, 294, 441, 478, 717, 882, 1434, 1673, 2151, 3346, 4302, 5019, 10038, 11711, 15057, 23422, 30114, 35133, 70266, 105399, 210798]

約数ペア:

[(1, 210798), (2, 105399), (3, 70266), (6, 35133), (7, 30114), (9, 23422), (14, 15057), (18, 11711), (21, 10038), (42, 5019), (49, 4302), (63, 3346), (98, 2151), (126, 1673), (147, 1434), (239, 882), (294, 717), (441, 478)]