21152256

素因数分解:

$2^9\times 3^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 80

約数和(自身を含む): 57746304

約数和(自身を除く): 36594048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 293, 376, 384, 512, 564, 586, 752, 768, 879, 1128, 1172, 1504, 1536, 1758, 2256, 2344, 3008, 3516, 4512, 4688, 6016, 7032, 9024, 9376, 12032, 13771, 14064, 18048, 18752, 24064, 27542, 28128, 36096, 37504, 41313, 55084, 56256, 72192, 75008, 82626, 110168, 112512, 150016, 165252, 220336, 225024, 330504, 440672, 450048, 661008, 881344, 1322016, 1762688, 2644032, 3525376, 5288064, 7050752, 10576128, 21152256]

約数ペア:

[(1, 21152256), (2, 10576128), (3, 7050752), (4, 5288064), (6, 3525376), (8, 2644032), (12, 1762688), (16, 1322016), (24, 881344), (32, 661008), (47, 450048), (48, 440672), (64, 330504), (94, 225024), (96, 220336), (128, 165252), (141, 150016), (188, 112512), (192, 110168), (256, 82626), (282, 75008), (293, 72192), (376, 56256), (384, 55084), (512, 41313), (564, 37504), (586, 36096), (752, 28128), (768, 27542), (879, 24064), (1128, 18752), (1172, 18048), (1504, 14064), (1536, 13771), (1758, 12032), (2256, 9376), (2344, 9024), (3008, 7032), (3516, 6016), (4512, 4688)]