21481992

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6089}}^1$

素因数の和:6115

約数の個数: 72

約数和(自身を含む): 67690350

約数和(自身を除く): 46208358

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6089, 12178, 18267, 24356, 36534, 42623, 48712, 54801, 73068, 85246, 109602, 127869, 146136, 170492, 219204, 255738, 298361, 340984, 383607, 438408, 511476, 596722, 767214, 895083, 1022952, 1193444, 1534428, 1790166, 2386888, 2685249, 3068856, 3580332, 5370498, 7160664, 10740996, 21481992]

約数ペア:

[(1, 21481992), (2, 10740996), (3, 7160664), (4, 5370498), (6, 3580332), (7, 3068856), (8, 2685249), (9, 2386888), (12, 1790166), (14, 1534428), (18, 1193444), (21, 1022952), (24, 895083), (28, 767214), (36, 596722), (42, 511476), (49, 438408), (56, 383607), (63, 340984), (72, 298361), (84, 255738), (98, 219204), (126, 170492), (147, 146136), (168, 127869), (196, 109602), (252, 85246), (294, 73068), (392, 54801), (441, 48712), (504, 42623), (588, 36534), (882, 24356), (1176, 18267), (1764, 12178), (3528, 6089)]