21436184

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 34551016

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 23, 28, 34, 44, 46, 56, 68, 77, 88, 89, 92, 119, 136, 154, 161, 178, 184, 187, 238, 253, 308, 322, 356, 374, 391, 476, 506, 616, 623, 644, 712, 748, 782, 952, 979, 1012, 1246, 1288, 1309, 1496, 1513, 1564, 1771, 1958, 2024, 2047, 2492, 2618, 2737, 3026, 3128, 3542, 3916, 4094, 4301, 4984, 5236, 5474, 6052, 6853, 7084, 7832, 8188, 8602, 10472, 10591, 10948, 12104, 13706, 14168, 14329, 16376, 16643, 17204, 21182, 21896, 22517, 27412, 28658, 30107, 33286, 34408, 34799, 42364, 45034, 54824, 57316, 60214, 66572, 69598, 84728, 90068, 114632, 116501, 120428, 133144, 139196, 157619, 180136, 233002, 240856, 243593, 278392, 315238, 382789, 466004, 487186, 630476, 765578, 932008, 974372, 1260952, 1531156, 1948744, 2679523, 3062312, 5359046, 10718092, 21436184]

約数ペア:

[(1, 21436184), (2, 10718092), (4, 5359046), (7, 3062312), (8, 2679523), (11, 1948744), (14, 1531156), (17, 1260952), (22, 974372), (23, 932008), (28, 765578), (34, 630476), (44, 487186), (46, 466004), (56, 382789), (68, 315238), (77, 278392), (88, 243593), (89, 240856), (92, 233002), (119, 180136), (136, 157619), (154, 139196), (161, 133144), (178, 120428), (184, 116501), (187, 114632), (238, 90068), (253, 84728), (308, 69598), (322, 66572), (356, 60214), (374, 57316), (391, 54824), (476, 45034), (506, 42364), (616, 34799), (623, 34408), (644, 33286), (712, 30107), (748, 28658), (782, 27412), (952, 22517), (979, 21896), (1012, 21182), (1246, 17204), (1288, 16643), (1309, 16376), (1496, 14329), (1513, 14168), (1564, 13706), (1771, 12104), (1958, 10948), (2024, 10591), (2047, 10472), (2492, 8602), (2618, 8188), (2737, 7832), (3026, 7084), (3128, 6853), (3542, 6052), (3916, 5474), (4094, 5236), (4301, 4984)]