21676914

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3511}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 54787200

約数和(自身を除く): 33110286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3511, 6174, 7022, 10533, 21066, 24577, 31599, 49154, 63198, 73731, 147462, 172039, 221193, 344078, 442386, 516117, 1032234, 1204273, 1548351, 2408546, 3096702, 3612819, 7225638, 10838457, 21676914]

約数ペア:

[(1, 21676914), (2, 10838457), (3, 7225638), (6, 3612819), (7, 3096702), (9, 2408546), (14, 1548351), (18, 1204273), (21, 1032234), (42, 516117), (49, 442386), (63, 344078), (98, 221193), (126, 172039), (147, 147462), (294, 73731), (343, 63198), (441, 49154), (686, 31599), (882, 24577), (1029, 21066), (2058, 10533), (3087, 7022), (3511, 6174)]