21570472

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 53766720

約数和(自身を除く): 32196248

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 97, 133, 152, 154, 194, 209, 266, 308, 361, 388, 418, 532, 616, 679, 722, 776, 836, 1064, 1067, 1358, 1444, 1463, 1672, 1843, 2134, 2527, 2716, 2888, 2926, 3686, 3971, 4268, 5054, 5432, 5852, 7372, 7469, 7942, 8536, 10108, 11704, 12901, 14744, 14938, 15884, 20216, 20273, 25802, 27797, 29876, 31768, 35017, 40546, 51604, 55594, 59752, 70034, 81092, 103208, 111188, 140068, 141911, 162184, 222376, 245119, 280136, 283822, 385187, 490238, 567644, 770374, 980476, 1135288, 1540748, 1960952, 2696309, 3081496, 5392618, 10785236, 21570472]

約数ペア:

[(1, 21570472), (2, 10785236), (4, 5392618), (7, 3081496), (8, 2696309), (11, 1960952), (14, 1540748), (19, 1135288), (22, 980476), (28, 770374), (38, 567644), (44, 490238), (56, 385187), (76, 283822), (77, 280136), (88, 245119), (97, 222376), (133, 162184), (152, 141911), (154, 140068), (194, 111188), (209, 103208), (266, 81092), (308, 70034), (361, 59752), (388, 55594), (418, 51604), (532, 40546), (616, 35017), (679, 31768), (722, 29876), (776, 27797), (836, 25802), (1064, 20273), (1067, 20216), (1358, 15884), (1444, 14938), (1463, 14744), (1672, 12901), (1843, 11704), (2134, 10108), (2527, 8536), (2716, 7942), (2888, 7469), (2926, 7372), (3686, 5852), (3971, 5432), (4268, 5054)]