21188647312

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{9859}}^1$

素因数の和:10524

約数の個数: 80

約数和(自身を含む): 48514355200

約数和(自身を除く): 27325707888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 619, 868, 1238, 1736, 2476, 3472, 4333, 4952, 8666, 9859, 9904, 17332, 19189, 19718, 34664, 38378, 39436, 69013, 69328, 76756, 78872, 134323, 138026, 153512, 157744, 268646, 276052, 305629, 307024, 537292, 552104, 611258, 1074584, 1104208, 1222516, 2139403, 2149168, 2445032, 4278806, 4890064, 6102721, 8557612, 12205442, 17115224, 24410884, 34230448, 42719047, 48821768, 85438094, 97643536, 170876188, 189184351, 341752376, 378368702, 683504752, 756737404, 1324290457, 1513474808, 2648580914, 3026949616, 5297161828, 10594323656, 21188647312]

約数ペア:

[(1, 21188647312), (2, 10594323656), (4, 5297161828), (7, 3026949616), (8, 2648580914), (14, 1513474808), (16, 1324290457), (28, 756737404), (31, 683504752), (56, 378368702), (62, 341752376), (112, 189184351), (124, 170876188), (217, 97643536), (248, 85438094), (434, 48821768), (496, 42719047), (619, 34230448), (868, 24410884), (1238, 17115224), (1736, 12205442), (2476, 8557612), (3472, 6102721), (4333, 4890064), (4952, 4278806), (8666, 2445032), (9859, 2149168), (9904, 2139403), (17332, 1222516), (19189, 1104208), (19718, 1074584), (34664, 611258), (38378, 552104), (39436, 537292), (69013, 307024), (69328, 305629), (76756, 276052), (78872, 268646), (134323, 157744), (138026, 153512)]